Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the family or subfamily Alepocephalidae: [ 143 ] records

aequatoris, Bajacalifornia Miya [M.] & Markle [D. F.] 1993:743, Figs. 1-2 [Copeia 1993 (no. 3); ref. 20988] Central equatorial Pacific, 0°01'N, 159°57.5'W, depth 0-1495 meters. Holotype (unique): CBM-ZF 1185. •Valid as Bajacalifornia aequatoris Miya & Markle 1993 -- (Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S11 [ref. 26712]). Current status: Valid as Bajacalifornia aequatoris Miya & Markle 1993. Alepocephalidae. Distribution: Central equatorial Pacific. Habitat: marine.

aequatoris, Bathytroctes (Talismania) Goode [G. B.] & Bean [T. H.] 1896:44, Pl. 14 (fig. 50) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Off Ecuador, 1°03'N, 80°l5'W, Albatross station 2793, depth 741 fathoms. Holotype (unique): USNM 44085. •Synonym of Rouleina attrita (Vaillant 1888) -- (Markle & Quéro in Whitehead et al. 1984:249 [ref. 13675], Markle & Sazonov 1990:261 [ref. 14215], Sazonov & Markle 1990:114 [ref. 21681], Sazonov & Williams 2001:S19 [ref. 26712]). Current status: Synonym of Rouleina attrita (Vaillant 1888). Alepocephalidae. Habitat: marine.

affinis, Leptoderma Alcock [A. W.] 1899:182 [A descriptive catalogue of the Indian deep-sea fishes in the Indian Museum; ref. 5114] Bay of Bengal, off Kistna coast, depth 753 fathoms. Holotype (unique): ZSI F13197 (mutilated). Type catalog: Talwar 1977:636 [ref. 26599]. Figured in Alcock 1900: Pl. 32 (fig. 3) [ref. 20536]. Leptoderma is neuter, therefore affine is correct, as some authors have already suggested. •Valid as Leptoderma affinis Alcock 1899 -- (Sazonov & Markle 1999:1893 [ref. 24739], Hoese et al. 2006:389 [ref. 29035], Byrkjedal et al. 2011:49 [ref. 31301], Angulo et al. 2016:498 [ref. 34156]). •Valid as Leptoderma affine Alcock 1899 -- (Hutchins 2001:19 [ref. 25847], Williams & Sazonov 2008:202 [ref. 30623], Williams & Stewart 2015:369 [ref. 34243]). Current status: Valid as Leptoderma affine Alcock 1899. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

affinis, Narcetes Lloyd [R. E.] 1906:308 [Annals and Magazine of Natural History (Series 7) v. 18 (no. 106); ref. 15662] Gulf of Oman, 24°35'10"N, 57°46'06"E, Investigator station 354, depth 1005 fathoms. Holotype (unique): ZSI F1385/1. Holotype figured in Lloyd 1908: Pl. 42 (figs. 1-1a) [ref. 20538]. •Synonym of Narcetes stomias (Gilbert 1890) -- (Sazonov & Markle 1990:113 [ref. 21681], Sazonov 1998:454 [ref. 24862]). Current status: Synonym of Narcetes stomias (Gilbert 1890). Alepocephalidae. Habitat: marine.

agassizii, Alepocephalus Goode [G. B.] & Bean [T. H.] 1883:218 [Bulletin of the Museum of Comparative Zoology v. 10 (no. 5); ref. 1838] Western North Atlantic [off New Jersey, U.S.A.], 38°18'40"N, 73°18'10"W, Blake station 338, depth 922 fathoms. Holotype (unique): MCZ 25875. •Valid as Alepocephalus agassizii Goode & Bean 1883 -- (Krefft 1973:86 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:230 [ref. 13675], Scott & Scott 1988:186 [ref. 25518], McAllister 1990:72 [ref. 14674] as agassizi, Markle & Sazonov 1990:246 [ref. 14215], Nakamura & Okamura in Okamura et al. 1995:72 [ref. 22531], Arruda 1997:25 [ref. 24952], McEachran & Fechhelm 1998:384 [ref. 23897], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Møller et al. 2010:23 [ref. 31169], Mecklenburg et al. 2011:118 [ref. 31212], Afonso et al. 2016:16, 78 [ref. 36199], Hartel & Orrell 2016:1768 [ref. 34565], Mecklenburg et al. 2018:75 [ref. 36370], Carneiro et al. 2019:74 [ref. 37250], Quéro et al. 2019:28 [ref. 36877], Bañón & Maño 2021:52 [ref. 38883], Simian et al. 2022:374 [ref. 40776], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Alepocephalus agassizii Goode & Bean 1883. Alepocephalidae. Distribution: North Atlantic and adjacent Arctic Region: southern Greenland and Icealand south to Trinidad and Tobago, including Gulf of Mexico and Caribbean Sea; in eastern Atlantic south to Mauritania, including Azores. IUCN (2015): Least Concern. Habitat: marine.

agassizii, Leptochilichthys Garman [S.] 1899:285, Pl. 58 (fig. 3) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] West of Ecuador, 1°07'N, 80°21'W, Albatross station 3398, depth 1573 fathoms. Holotype (unique): MCZ 28479. •Valid as Leptochilichthys agassizii Garman 1899 -- (Markle & Quéro in Whitehead et al. 1984:255 [ref. 13675], Machida & Shiogaki 1988:5 [ref. 6622], Matarese et al. 1989:76 [ref. 26885] as agassizi, Markle & Sazonov 1990:244 [ref. 14215], Sazonov et al. 1993:43 [ref. 21498], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S6 [ref. 26712], Love et al. 2005:31 [ref. 37547], Williams & Stewart 2015:368 [ref. 34243], Fricke et al. 2018:64 [ref. 35805], Carneiro et al. 2019:77 [ref. 37250], Love et al. 2021:49 [ref. 39279], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Leptochilichthys agassizii Garman 1899. Alepocephalidae. Distribution: Circumglobal in tropical and temperate seas; in eastern Pacific from Oregon (U.S.A.) south to Chile. Habitat: marine.

alveatus, Bathytroctes Garman [S.] 1899:287, Pl. 58 (fig. 1) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Malpelo Island, eastern Pacific, 3°09'N, 82°08'W, Albatross station 3376, depth 1132 fathoms. Holotype: MCZ 28477. Paratypes: MCZ 28476 (1). •Synonym of Narcetes erimelas Alcock 1890 -- (Sazonov 1998:449 [ref. 24862], Fujiwara et al. 2021:13 [ref. 38104]). Current status: Synonym of Narcetes erimelas Alcock 1890. Alepocephalidae. Habitat: marine.

alvifrons, Bathytroctes Garman [S.] 1899:286, Pl. 58 (figs. 2-2a) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] South of Cape Mala, 6°21'N, 80°41'W, Albatross station 3382. Holotype: MCZ 28478. Paratypes: MCZ 50743 (1). •Synonym of Bathytroctes macrolepis Günther 1887 -- (Sazonov 1999:742 [ref. 24845]). Current status: Synonym of Bathytroctes macrolepis Günther 1887. Alepocephalidae. Habitat: marine.

andersoni, Alepocephalus Fowler [H. W.] 1934:246, Fig. 8 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Between Siquijor and Bohol islands, Philippines, Albatross station D.5527, depth 392 fathoms. Holotype: USNM 92329. Paratypes: USNM 93624 (1). •Valid as Alepocephalus andersoni Fowler 1934 -- (Sazonov & Markle 1999:1892 [ref. 24739]). Current status: Valid as Alepocephalus andersoni Fowler 1934. Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

antillarum, Bathytroctes (Talismania) Goode [G. B.] & Bean [T. H.] 1896:44, Pl. 14 (fig. 49) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Off Florida, Gulf of Mexico, 28°38'30"N, 87°02'W, Albatross station 2099 [or 2394], depth 420 fathoms. Holotype (unique): USNM 43739. •Valid as Talismania antillarum (Goode & Bean 1896) -- (Okamura in Masuda et al. 1984:43 [ref. 6441], Okamura in Okamura & Kitajima 1984:123, 330 [ref. 8057], Markle & Quéro in Whitehead et al. 1984:250 [ref. 13675], Okamura & Machida 1986:29 [ref. 22278], Paxton et al. 1989:211 [ref. 12442], Markle & Sazonov 1990:262 [ref. 14215], Shinohara et al. 1996:160 [ref. 26605], Pequeño 1997:80 [ref. 23536], McEachran & Fechhelm 1998:400 [ref. 23897], Sazonov & Markle 1999:1893 [ref. 24739], Nakabo 2000:292 [ref. 25086], Pakhorukov 2001:377 [ref. 25409], Hutchins 2001:19 [ref. 25847], Savinykh & Savin 2001:846 [ref. 25937], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:292 [ref. 26001], Carter & Hartel 2003:878 [ref. 27000], Menezes in Menezes et al. 2003:44 [ref. 27192], Shinohara et al. 2005:404 [ref. 28370], Hoese et al. 2006:392 [ref. 29035], Hartel & Orrell 2016:1770 [ref. 34565], Carneiro et al. 2019:79 [ref. 37250], Quéro et al. 2019:27 [ref. 36877], Fermon et al. 2022:132 [ref. 39448], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Talismania antillarum (Goode & Bean 1896). Alepocephalidae. Distribution: Circumglobal (including Gulf of Mexico, Caribbean Sea, Coral Sea, Tasman Sea, southern Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

antipodiana, Bathytroctes Parrott [A. W.] 1948:143, Pl. 31 [Records of the Canterbury Museum v. 5; ref. 13067] Kaikoura, New Zealand. CMC?. See Paulin et al. 1989:251 [ref. 24556]. •Valid as Alepocephalus antipodianus (Parrott 1948) -- (Sazonov & Markle 1999:1892 [ref. 24739], Duhamel et al. 2005:100 [ref. 32059] as cf. antipodus, Hoese et al. 2006:385 [ref. 29035], Williams & Sazonov 2008:202 [ref. 30623], Williams & Stewart 2015:359 [ref. 34243]). Current status: Valid as Alepocephalus antipodianus (Parrott 1948). Alepocephalidae. Distribution: Worldwide in tropical and subtropical seas. Habitat: marine.

aphos, Binghamichthys Bussing [W. A.] 1965:189, Fig. 2 [Antarctic Research Series, Washington DC. v. 5; ref. 9201] Off Valparaíso, Chile, 33°18'S, 72°27'W, depth 1000 fathoms. Holotype: LACM 10001. Paratypes: LACM 10002 (1), 10034 (1). •Valid as Binghamichthys aphos Bussing 1965 -- (Pequeño 1989:33 [ref. 14125]). •Valid as Talismania aphos (Bussing 1965) to agree with Binghamichthys as a synonym of Talismania. Current status: Valid as Talismania aphos (Bussing 1965). Alepocephalidae. Distribution: Chile. Habitat: marine.

arcylepis, Bajacalifornia Markle [D. F.] & Krefft [G.] 1985:348, Fig. 4A [Copeia 1985 (no. 2); ref. 6789] Atlantic Ocean, 27°38'-27°43'N, 52°22'-52°20'W, depth 0-2000 meters. Holotype: ISH 1619-1979. Paratypes: ISH 514-1974 (1). Type catalog: Krefft 1987:76 [ref. 20751]. •Valid as Bajacalifornia arcylepis Markle & Krefft 1985 -- (Miya & Markle 1993:746 [ref. 20988], Nakamura & Okamura in Okamura et al. 1995:75 [ref. 22531], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S12 [ref. 26712], Hoese et al. 2006:387 [ref. 29035], Hartel & Orrell 2016:1769 [ref. 34565], Sutton et al. 2020:43 [ref. 37832]). Current status: Valid as Bajacalifornia arcylepis Markle & Krefft 1985. Alepocephalidae. Distribution: Atlantic; Western Indian Ocean. Habitat: marine.

asperifrons, Alepocephalus Garman [S.] 1899:291, Pl. 59 (fig. 1) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Gulf of Panama, 6°-7°N, 79°-81°W, Albatross station 3357 and 3393, depth 782-1020 fathoms. Syntypes: MCZ 28472-73 (1, 1). •Valid as Alepocephalus asperifrons Garman 1899 -- (Sazonov & Markle 1999:1892 [ref. 24739]). Current status: Valid as Alepocephalus asperifrons Garman 1899. Alepocephalidae. Distribution: Eastern Pacific. Habitat: marine.

atlanticus, Alepocephalus edentulus Roule [L.] & Angel [F.] 1931:5 [Bulletin de l'Institut Océanographique (Monaco) No. 581; ref. 3825] North Atlantic between Madeira and southern coast of Morocco, station 3090, depth 0-4000 meters. Holotype (unique): MOM 0091-1352. Type catalog: Belloc 1949:5 [ref. 21544]. Also appeared in Roule & Angel 1933:4, Pl. 1 (fig. 1) [ref. 3827]. •Valid as Torictus atlanticus (Roule & Angel 1931) -- (Krefft 1973:92 [ref. 7166]). •Synonym of Einara edentula (Alcock 1892) -- (Markle & Quéro in Whitehead et al. 1984:242 [ref. 13675], Markle & Sazonov 1990:256 [ref. 14215]). Current status: Synonym of Einara edentula (Alcock 1892). Alepocephalidae. Habitat: marine.

attritus, Bathytroctes Vaillant [L. L.] 1888:158, Pl. 12 (fig. 2, 2a-c) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Azores, northeastern Atlantic, depth 1442 meters. Lectotype: MNHN 1885-0166 (poor condition). Paralectotypes: MNHN 1885-0169 (1), 2 others lost. Type catalog: Bertin 1940:275 [ref. 293] with holotype and paratopotype. Lectotype selected by Eschmeyer 1998:163 [ref. 23416]. •Valid as Rouleina attrita (Vaillant 1888) -- (Krefft 1973:91 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:249 [ref. 13675], Markle 1986:222 [ref. 5687], Paxton et al. 1989:210 [ref. 12442], Shcherbachev et al. 1989:164 [ref. 36134], Markle & Sazonov 1990:261 [ref. 14215], Sazonov & Markle 1990:114 [ref. 21681], Sazonov et al. 1993:59 [ref. 21498], Nakamura & Okamura in Okamura et al. 1995:77 [ref. 22531], Santos et al. 1997:28 [ref. 23531], Pequeño 1997:80 [ref. 23536], Arruda 1997:28 [ref. 24952], McEachran & Fechhelm 1998:398 [ref. 23897], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:166 [ref. 25968], Hutchins 2001:19 [ref. 25847], Sazonov & Merrett 2001:S46 [ref. 26652], Sazonov & Williams 2001:S19 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:180 [ref. 27076], Duhamel et al. 2005:397 [ref. 32059] with question, Love et al. 2005:31 [ref. 37547], Hoese et al. 2006:390 [ref. 29035], Kenaley & Orr 2006:200 [ref. 29240], Williams & Sazonov 2008:204 [ref. 30623], Møller et al. 2010:25 [ref. 31169], Parin et al. 2014:112 [ref. 33547], Williams & Stewart 2015:372 [ref. 34243], Bañón et al. 2016:306 [ref. 34397], Hartel & Orrell 2016:1770 [ref. 34565], Robertson et al. 2017:41 [ref. 35676], Fricke et al. 2018:63 [ref. 35805], Carneiro et al. 2019:78 [ref. 37250], Quéro et al. 2019:27 [ref. 36877], Sutton et al. 2020:43 [ref. 37832], Bañón & Maño 2021:52 [ref. 38883], Love et al. 2021:50 [ref. 39279], Fermon et al. 2022:131 [ref. 39448], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Rouleina attrita (Vaillant 1888). Alepocephalidae. Distribution: Circumglobal (including Gulf of Mexico, Caribbean Sea, South China Sea, and southern Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

australis, Alepocephalus Barnard [K. H.] 1923:440 [Annals of the South African Museum v. 13 (pt 8, no. 14); ref. 191] Off Cape Point, South Africa, depth 630 fathoms [1152 meters]. Syntypes: BMNH 1927.12.6.3 [ex SAM 13097] (1); SAM 12714 (1, poor condition), 12715-16 (1, 1), 13097 (1). See also Miya in Amaoka et al. 1990:104 [ref. 16024]. •Valid as Alepocephalus australis Barnard 1923 -- (Amaoka in Amaoka et al. 1983:75, 178 [ref. 8379], Markle & Quéro in Whitehead et al. 1984:230 [ref. 13675], Markle 1986:219 [ref. 5687], Paulin et al. 1989:85 [ref. 24556], Shcherbachev et al. 1989:164, 165 [ref. 36134], Markle & Sazonov 1990:246 [ref. 14215], Arruda 1997:26 [ref. 24952], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1892 [ref. 24739], Pakhorukov 2001:377 [ref. 25409], Hutchins 2001:19 [ref. 25847], Carter & Hartel 2003:878 [ref. 27000] as australie, Moore et al. 2003:178 [ref. 27076] as cf. australis, McEachran & Fechhelm 2005:17 [ref. 28815] as australie, Hoese et al. 2006:385 [ref. 29035], Williams & Sazonov 2008:203 [ref. 30623], Williams & Stewart 2015:360 [ref. 34243], Hartel & Orrell 2016:1768 [ref. 34565], Fricke et al. 2018:63 [ref. 35805], Carneiro et al. 2019:74 [ref. 37250], Fermon et al. 2022:129 [ref. 39448], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Alepocephalus australis Barnard 1923. Alepocephalidae. Distribution: Circumglobal, mostly in Southern Hemisphere, but also northern Atlantic, including Gulf of Mexico and Caribbean Sea. IUCN (20915): Least Concern. Habitat: marine.

bairdii, Alepocephalus Goode [G. B.] & Bean [T. H.] 1879:56 [Proceedings of the United States National Museum v. 2 (no. 68); ref. 18136] Grand Banks, northwestern Atlantic, depth 200 fathoms. Holotype (unique): USNM 22468. •Valid as Alepocephalus bairdii Goode & Bean 1879 -- (Krefft 1973:87 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:231 [ref. 13675], Scott & Scott 1988:187 [ref. 25518], McAllister 1990:73 [ref. 14674] as bairdi, Markle & Sazonov 1990:247 [ref. 14215], Nakamura & Okamura in Okamura et al. 1995:73 [ref. 22531], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Møller et al. 2010:24 [ref. 31169], Afonso et al. 2016:16, 79 [ref. 36199], Bañón et al. 2016:306 [ref. 34397], Hartel & Orrell 2016:1768 [ref. 34565], Carneiro et al. 2019:74 [ref. 37250], Quéro et al. 2019:26 [ref. 36877], Bañón & Maño 2021:52 [ref. 38883], Simian et al. 2022:374 [ref. 40776], Page et al. 2023:61 [ref. 40505]). Current status: Valid as Alepocephalus bairdii Goode & Bean 1879. Alepocephalidae. Distribution: North Atlantic. Habitat: marine.

barnardi, Alepocephalus Norman [J. R.] 1930:270 [Discovery Reports v. 2; ref. 3219] Off Cape Point, South Africa, depth 700 fathoms. Holotype (unique): BMNH 1904.3.4.5. •Synonym of Alepocephalus australis Barnard 1923 -- (Krefft 1973:86 [ref. 7166], Amaoka in Masuda et al. 1984:42 [ref. 6441]). •Synonym of Alepocephalus australis Barnard 1923, but a valid subspecies -- (Amaoka in Amaoka et al. 1983:75, 178 [ref. 8379], Markle 1986:219 [ref. 5687], Markle & Sazonov 1990:246 [ref. 14215], Nakabo 2000:291 [ref. 25086], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370]). Current status: Synonym of Alepocephalus australis Barnard 1923. Alepocephalidae. Habitat: marine.

bertelseni, Conocara Sazonov [Yu. I.] 2002:271, Fig. [Voprosy Ikhtiologii v. 42 (no. 2); ref. 26009] Arabian Sea, 12°43'N, 52°44'E, depth 2380-2300 meters. Holotype: ZMMGY P-18848. •Valid as Conocara bertelseni Sazonov 2002 -- (Sazonov et al. 2009:854 [ref. 30625]). Current status: Valid as Conocara bertelseni Sazonov 2002. Alepocephalidae. Distribution: Arabian Sea. Habitat: marine.

bicolor, Alepocephalus Alcock [A. W.] 1891:133 [Annals and Magazine of Natural History (Series 6) v. 8 (no. 43/44); ref. 87] Bay of Bengal, 15°56'50"N, 81°30.5'E, Investigator station 120, depth 240-276 fathoms. Syntypes: BMNH 1891.9.2.4 [ex ZSI F13082] (1); ZSI 13078 (1, not found), 13079 (1), 13080 (1), 13081 (1, not found), 13083 (1). Type catalog: Menon & Rama-Rao 1975:33 [ref. 22148], Menon and Rama-Rao 1970:377 [ref. 27516], Menon & Rama Rao 1971:343 [ref. 31198], Talwar 1977:636 [ref. 26599]. Figured in Alcock 1892: Pl. 4 (fig. 2) [ref. 20531]. •Valid as Alepocephalus bicolor Alcock 1891 -- (Okamura in Masuda et al. 1984:42 [ref. 6441], Okamura in Okamura & Kitajima 1984:113, 328 [ref. 8057], Paxton et al. 1989:209 [ref. 12442], Sazonov & Markle 1999:1892 [ref. 24739], Nakabo 2000:290 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Hutchins 2001:19 [ref. 25847], Nakabo 2002:290 [ref. 26001], Manilo & Bogorodsky 2003:S97 [ref. 27377], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:385 [ref. 29035], Senda et al. 2020:111 [ref. 37789]). Current status: Valid as Alepocephalus bicolor Alcock 1891. Alepocephalidae. Distribution: Indo-West Pacific: Arabian Sea east to taiwan, north to southern Japan, south to northern Western Australia. Habitat: marine.

bifurcatus, Nemabathytroctes Parr [A. E.] 1951:10 [American Museum Novitates No. 1531; ref. 3380] Off Panama, eastern Pacific, 7°30'N, 79°19'W, depth 1750 meters. Holotype: ZMUC P1779. Type catalog: Nielsen 1974:10 [ref. 9588]. •Valid as Talismania bifurcata (Parr 1951) -- (Matarese et al. 1989:76 [ref. 26885], Paxton et al. 1989:211 [ref. 12442], McAllister 1990:73 [ref. 14674], Sazonov et al. 1993:43 [ref. 21498], Pequeño 1997:80 [ref. 23536], Hutchins 2001:19 [ref. 25847], Love et al. 2005:31 [ref. 37547], Robertson et al. 2017:41 [ref. 35676], Burton & Lea 2019:39 [ref. 37205], Love et al. 2021:50 [ref. 39279], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Talismania bifurcata (Parr 1951). Alepocephalidae. Distribution: Southeastern Atlantic: Namibia; western Pacific (in cluding South China Sea and Tasman Sea); eastern Pacific: British Columbia (Canada) south to Chile, including southern Gulf 0of California (mexico). IUCN (2010): Least Concern. Habitat: marine.

blanfordii, Alepocephalus Alcock [A. W.] 1892:357 [Annals and Magazine of Natural History (Series 6) v. 10 (no. 59); ref. 88] Gulf of Manaar, south of Cape Comorin, 6°58'N, 77°26'50"E, Investigator station 128, depth 902 fathoms. Holotype (unique): ZSI F13191. Type catalog: Menon & Yazdani 1968:99 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Alcock 1894: Pl. 9 (fig. 1) [ref. 17304]. •Valid as Alepocephalus blanfordii Alcock 1892 -- (Nakamura & Okamura in Okamura et al. 1995:73 [ref. 22531], Mundy 2005:160 [ref. 28379]). Current status: Valid as Alepocephalus blanfordii Alcock 1892. Alepocephalidae. Distribution: Indian Ocean; central Pacific Ocean: Hawaiian Islands. Habitat: marine.

bougainvillianus, Triurus Lacepède [B. G. E.] (ex Commerson) 1800:200, 201 [Histoire naturelle des poissons (Lacepède) v. 2; ref. 2709] Southern Ocean (26°-27°S, 103-104° Long.) [is Bougainville Island, Papua New Guinea]. See genus Triurus. Also appeared in Sonnini 1803:14 (vol. 6) [ref. 30473]. Current status: Uncertain. Alepocephalidae. Habitat: marine.

brachycephala, Talismania (Talismania) Sazonov [Yu. I.] 1981:1120 [151], Fig. (p. 1121) [Fig. 1] [Voprosy Ikhtiologii v. 21 (no. 6); ref. 8554] Northwestern Pacific, 28°37'N, 127°10'E, depth 940-955 meters. Holotype: ZMMU P-15343. Paratypes: ZMMU P-15344 (1). Additional material: IOM uncat. (1). Type catalog: Vasil'eva et al. 2001:35 [ref. 25714]. Description on p. 151 of English translation. •Valid as Talismania brachycephala Sazonov 1981 -- (Sazonov & Markle 1999:1893 [ref. 24739]). Current status: Valid as Talismania brachycephala Sazonov 1981. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

breviceps, Bathytroctes Sazonov [Yu. I.] 1999:738 [703], Fig. 1 [Voprosy Ikhtiologii v. 39 (no. 6); ref. 24845] Indian Ocean, 9°48.5'S, 60°42'E, depth 1650 meters. Holotype (unique): ZMMU P-15377. Type catalog: Vasil'eva et al. 2001:33 [ref. 25714]. On p. 703 of English translation. •Valid as Bathytroctes breviceps Sazonov 1999 -- (Sazonov & Williams 2001:S32 [ref. 26712]). Current status: Valid as Bathytroctes breviceps Sazonov 1999. Alepocephalidae. Distribution: Indian Ocean. Habitat: marine.

bullisi, Grimatroctes Grey [M.] 1958:150, Fig. 22 [Fieldiana Zoology v. 39 (no. 16); ref. 12068] Gulf of Mexico, 28°47'N, 87°50'W, Oregon station 1303, depth 1150-1200 fathoms. Holotype: USNM 159331. Paratypes: FMNH 64072 (3). Type catalog: Ibarra & Stewart 1987:42 [ref. 12367]. •Synonym of Bathytroctes microlepis Günther 1878 -- (Markle & Sazonov 1990:252 [ref. 14215]). •Synonym of Bathytroctes zugmayeri Fowler 1934 -- (Sazonov & Williams 2001:S33 [ref. 26712]). Current status: Synonym of Bathytroctes zugmayeri Fowler 1934. Alepocephalidae. Habitat: marine.

burragei, Bajacalifornia Townsend [C. H.] & Nichols [J. T.] 1925:8, Fig. 3 [Bulletin of the American Museum of Natural History v. 52 (art. 1); ref. 4420] Off Todos Santos Bay, 31°28'45"N, 117°09'50"W, Baja California, Mexico, Albatross station 5674, depth 590 fathoms. Holotype (unique): USNM 87553 [ex AMNH 8343]. •Valid as Bajacalifornia burragei Townsend & Nichols 1925 -- (Markle & Krefft 1985:348 [ref. 6789], Pequeño 1989:33 [ref. 14125], Miya & Markle 1993:744 [ref. 20988], Sazonov et al. 1993:43 [ref. 21498], Chirichigno F. & Vélez D. 1998:180 [ref. 24555], Sazonov & Williams 2001:S11 [ref. 26712], Love et al. 2005:30 [ref. 37547], Robertson et al. 2017:39 [ref. 35676], Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bajacalifornia burragei Townsend & Nichols 1925. Alepocephalidae. Distribution: Red Sea; western Pacific: South China Sea; eastern Pacific: southern California (U.S.A.) south to Chile, including Gulf of California (Mexico). Habitat: marine.

bussingi, Talismania Sazonov [Yu. I.] 1989:356 [84], Fig. 1 [Voprosy Ikhtiologii v. 29 (no. 3); ref. 17726] Eastern Pacific, Nazca Ridge, 20°45'S, 80°52'W, depth 340-780 meters. Holotype: ZMMU P-16986. Paratypes: ZMMU P-16985 (1), P-16987-88 (1, 1). Type catalog: Vasil'eva et al. 2001:35 [ref. 25714]. Description begins on p. 84 of English translation. •Valid as Talismania bussingi Sazonov 1989 -- (Pequeño 1997:80 [ref. 23536]). Current status: Valid as Talismania bussingi Sazonov 1989. Alepocephalidae. Distribution: Chile. Habitat: marine.

caeruleiceps, Aulastomatomorpha Lloyd [R. E.] 1906:308 [Annals and Magazine of Natural History (Series 7) v. 18 (no. 106); ref. 15662] Gulf of Oman, off Muscat, Oman,, depth 1005 fathoms. Holotype (unique): whereabouts unknown. Holotype figured in Lloyd 1908: Pl. 42 (fig. 3) [ref. 20538] as Aulastomomorpha caeruliceps. •Tentatively a synonym of Aulastomatomorpha phospherops Alcock 1890 -- (Markle & Sazonov 1996:498 [ref. 22398]). Current status: Uncertain as Aulastomatomorpha phospherops Alcock 1890. Alepocephalidae. Habitat: marine.

caeruleus, Asquamiceps Markle [D. F.] 1980:47, Figs. 1-3 [Bulletin of Marine Science v. 30 (no. 1); ref. 6077] Northeastern Atlantic, 14°11'N, 18°28'W, depth 0-2000 meters. Holotype: ISH 513-1975. Paratypes: ISH 1652-1971 (3), 2059-1971 (1), 2659-1971 (1), 2864-1971 (1); USNM 214938 (1). Additional material: ISH 2481-1971 (1). Type catalog: Krefft 1987:76 [ref. 20751]. •Valid as Asquamiceps caeruleus Markle 1980 -- (Markle & Sazonov 1990:248 [ref. 14215], McEachran & Fechhelm 1998:386 [ref. 23897], Sazonov & Markle 1999:1892 [ref. 24739], Carter & Hartel 2003:878 [ref. 27000], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Fermon et al. 2022:130 [ref. 39448], Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Asquamiceps caeruleus Markle 1980. Alepocephalidae. Distribution: Tropical Atlantic, including Gulf of Mexico and Caribbean Sea; western Indian Ocean; northeastern Pacific. IUCN (2015): Least Concern. Habitat: marine.

calcaratus, Bathytroctes Weber [M.] 1913:11, Pl. 4 (figs. 5-5a) [Die Fische der Siboga-Expedition; ref. 4602] Makassar Strait, Sulawesi, 0°36.5'S, 119°29.5'E, depth 724 meters; Ceram Sea 3°27.0'S, 131°0.5'E, depth 567 meters, Siboga station 85 and 173. Syntypes: ZMA 112612-13 (1, 1). Type catalog: Nijssen et al. 1982:12 [ref. 19236]. •Valid as Bajacalifornia calcarata (Weber 1913) -- (Markle & Krefft 1985:345 [ref. 6789], Paulin et al. 1989:86 [ref. 24556], Shcherbachev et al. 1989:169 [ref. 36134], Markle & Sazonov 1990:250 [ref. 14215], Miya & Markle 1993:746 [ref. 20988], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S12 [ref. 26712], Manilo & Bogorodsky 2003:S97 [ref. 27377], Hoese et al. 2006:387 [ref. 29035], Hartel & Orrell 2016:1769 [ref. 34565], Fricke et al. 2018:63 [ref. 35805], Senda et al. 2020:114 [ref. 37789], Sutton et al. 2020:42 [ref. 37832], Fermon et al. 2022:130 [ref. 39448] possible). Current status: Valid as Bajacalifornia calcarata (Weber 1913). Alepocephalidae. Distribution: Circumglobal in tropical oceans, but not in eastern Pacific. Habitat: marine.

commersonii, Triurus Shaw [G.] 1803:78 [General zoology or systematic natural history v. 4; ref. 4014] Indian Seas. New name for Triurus bougainvillianus Lacepède 1800. Current status: Uncertain. Alepocephalidae.

convexifrons, Alepocephalus Garman [S.] 1899:292, Pl. 59 (fig. 2) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Off Pacific coast of Mexico, 16°33'N, 99°52'30"W, Albatross station 3418, depth 660 fathoms. Syntypes: MCZ 28471 (2). •Valid as Alepocephalus convexifrons Garman 1899 -- (Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Alepocephalus convexifrons Garman 1899. Alepocephalidae. Distribution: Eastern Pacific: off Acapulco, Guerrero (Mexico).

copei, Aleposomus Gill [T. N.] 1884:433 [American Naturalist v. 18 (no. 4); ref. 1728] Gulf Stream off South Atlantic states, 37°l2'20"N, 69°39'W, Albatross station 2099, depth 2949 fathoms. Holotype (unique): USNM 33551. Description very brief, but body scaleless is sufficient for that time period; more complete descrition in Goode and Bean 1896:47 [ref. 1848]. •Synonym of Xenodermichthys socialis Vaillant 1888 -- (Krefft 1973:93 [ref. 7166]). •Valid as Xenodermichthys copei (Gill 1884) -- (Markle & Quéro in Whitehead et al. 1984:252 [ref. 13675], Markle 1986:223 [ref. 5687], Scott & Scott 1988:188 [ref. 25518], Paulin et al. 1989:85 [ref. 24556], Paxton et al. 1989:211 [ref. 12442], Shcherbachev et al. 1989:165 [ref. 36134], McAllister 1990:73 [ref. 14674], Markle & Sazonov 1990:264 [ref. 14215], Nakamura & Okamura in Okamura et al. 1995:80 [ref. 22531], Santos et al. 1997:28 [ref. 23531], Arruda 1997:28 [ref. 24952], McEachran & Fechhelm 1998:402 [ref. 23897], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Pakhorukov 2001:377 [ref. 25409], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S27 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Menezes in Menezes et al. 2003:44 [ref. 27192], Moore et al. 2003:180 [ref. 27076], Hoese et al. 2006:392 [ref. 29035], Williams & Sazonov 2008:207 [ref. 30623], Møller et al. 2010:25 [ref. 31169], Fricke et al. 2011:356 [ref. 31242], Williams & Stewart 2015:376 [ref. 34243], Afonso et al. 2016:17, 293 [ref. 36199], Bañón et al. 2016:306 [ref. 34397], Hartel & Orrell 2016:1770 [ref. 34565], Fricke et al. 2018:64 [ref. 35805], Carneiro et al. 2019:79 [ref. 37250], Quéro et al. 2019:22 [ref. 36877], Sutton et al. 2020:42 [ref. 37832], Bañón & Maño 2021:52 [ref. 38883], Fermon et al. 2022:132 [ref. 39448], Gloerfelt-Tarp & Kailola 2022:65 [ref. 41223], Heemstra 2022:204 [ref. 39695], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Xenodermichthys copei (Gill 1884). Alepocephalidae. Distribution: Circumglobal in tropical and temperate waters (including Gulf of Mexsico, Caribbean Sea, Coral Sea, Tasman Sea), but not in eastern Pacific. IUCN (2015): Least Concern. Habitat: marine.

cyaneus, Aleposomus Zugmayer [E.] 1914:1 [Bulletin de l'Institut Océanographique (Monaco) No. 288; ref. 4848] Off northern Portugal, station 3312, depth 0-3500 meters. Holotype (unique): MOM 0091-1324. Type catalog: Belloc 1949:5 [ref. 21544]. •Synonym of Xenodermichthys socialis Vaillant 1888 -- (Krefft 1973:93 [ref. 7166]). •Synonym of Xenodermichthys copei (Gill 1884) -- (Markle & Sazonov 1990:264 [ref. 14215], Porteiro et al. 1999:27 [ref. 24203]). Current status: Synonym of Xenodermichthys copei (Gill 1884). Alepocephalidae. Habitat: marine.

danae, Bathyprion Marshall [N. B.] 1966:4, Fig. 1 [Dana Report No. 68; ref. 2894] Australia, 33°26'S, 157°02'E, depth 2500 meters. Holotype: ZMUC P1785. Type catalog: Nielsen 1974:11 [ref. 9588]. •Valid as Bathyprion danae Marshall 1966 -- (Krefft 1973:94 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:235 [ref. 13675], Markle 1986:220 [ref. 5687], Markle & Sazonov 1990:252 [ref. 14215], Nakabo 2000:294 [ref. 25086], Sazonov & Williams 2001:S14 [ref. 26712], Nakabo 2002:294 [ref. 26001], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:76 [ref. 37250], Page et al. 2023:62 [ref. 40505]). Current status: Valid as Bathyprion danae Marshall 1966. Alepocephalidae. Distribution: Atlantic and Pacific. Habitat: marine.

danae, Bathytroctes Parr [A. E.] 1951:12 [American Museum Novitates No. 1531; ref. 3380] South China Sea, 15°22'N, 115°20'E, depth 200 meters. Holotype: ZMUC P1776. Type catalog: Nielsen 1974:10 [ref. 9588]. •Synonym of Bathytroctes microlepis Günther 1878 -- (Markle & Sazonov 1990:252 [ref. 14215]). •Synonym of Bathytroctes zugmayeri Fowler 1934 -- (Sazonov & Williams 2001:S33 [ref. 26712]). Current status: Synonym of Bathytroctes zugmayeri Fowler 1934. Alepocephalidae. Habitat: marine.

danae, Rouleina Parr [A. E.] 1951:14 [American Museum Novitates No. 1531; ref. 3380] Sulu Sea, Philippines, 8°34'N, 119°55'E, Dana station 3686, depth 2000 meters. Holotype (unique): ZMUC P1778. Type catalog: Nielsen 1974:10 [ref. 9588]. •Valid as Rouleina danae Parr 1951 -- (Nakamura & Okamura in Okamura et al. 1995:77 [ref. 22531], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Merrett 2001:S47 [ref. 26652], Sazonov & Williams 2001:S18 [ref. 26712]). Current status: Valid as Rouleina danae Parr 1951. Alepocephalidae. Distribution: Indo-Pacific. Habitat: marine.

dentifer, Alepocephalus Sazonov [Yu. I.] & Ivanov [A. N.] 1979:1008, Fig. 4 [Voprosy Ikhtiologii v. 19 (no. 6) (art. 119); ref. 8668] Southeastern Indian Ocean, 11°24.3'S, 88°50'E, depth 1500-1600 meters. Holotype: ZMMU P-14522. Paratypes: ZMMU P-14523-24 (1, 6). Type catalog: Vasil'eva et al. 2001:31-32 [ref. 25714]. •Valid as Alepocephalus dentifer Sazonov & Ivanov 1979. Current status: Valid as Alepocephalus dentifer Sazonov & Ivanov 1979. Alepocephalidae. Distribution: Indian Ocean: east Indian Ridge. Habitat: marine.

drakei, Bathytroctes Beebe [W.] 1929:6 [Zoologica, Scientific Contributions of the New York Zoological Society v. 12 (no. 1); ref. 15884] Western Atlantic, 39°15'N, 72°00'W, depth 800 fathoms. Holotype (unique): USNM 170958 [ex NYZS 7690]. Type catalog: Mead 1958:132 [ref. 20648]. •Valid as Bathycalifornia drakei (Beebe 1929) -- (Krefft 1973:88 [ref. 7166]). •Synonym of Bajacalifornia megalops (Lütken 1898) -- (Markle & Quéro in Whitehead et al. 1984:234 [ref. 13675], Markle & Krefft 1985:351 [ref. 6789], Scott & Scott 1988:188 [ref. 25518], Markle & Sazonov 1990:250 [ref. 14215], Moore et al. 2003:178 [ref. 27076]). Current status: Synonym of Bajacalifornia megalops (Lütken 1898). Alepocephalidae. Habitat: marine.

edentulus, Alepocephalus Alcock [A. W.] 1892:358, Pl. 18 (fig. 2) [Annals and Magazine of Natural History (Series 6) v. 10 (no. 59); ref. 88] Bay of Bengal, l2°50'N, 8l°30'E, Investigator station 132, depth 475 fathoms. Holotype (unique): ZSI F13192. Type catalog: Menon & Yazdani 1968:99 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Alcock 1900: Pl. 32 (fig. 4) [ref. 20536]. •Valid as Einara edentula (Alcock 1892) -- (Markle & Quéro in Whitehead et al. 1984:242 [ref. 13675], Markle & Sazonov 1990:256 [ref. 14215], Santos et al. 1997:28 [ref. 23531], Pequeño 1997:80 [ref. 23536], Arruda 1997:27 [ref. 24952], Sazonov & Markle 1999:1893 [ref. 24739], Carter & Hartel 2003:878 [ref. 27000], Hartel et al. 2008:321 [ref. 29890], Møller et al. 2010:24 [ref. 31169], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:77 [ref. 37250], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Einara edentula (Alcock 1892). Alepocephalidae. Distribution: Circumglobal, except Polar waters. IUCN (2015): Least Concern. Habitat: marine.

elegans, Bathytroctes Sazonov [Yu. I.] & Ivanov [A. N.] 1979:1006, Fig. 1 [Voprosy Ikhtiologii v. 19 (no. 6) (art. 119); ref. 8668] Northern Indian Ocean, 8°26.4'S, 59°29'E, depth 1260-1300 meters. Holotype: ZMMU P-14519. Paratypes: ZMMU P-14520-21 (1, 1). Type catalog: Vasil'eva et al. 2001:33 [ref. 25714]. •Valid as Bathytroctes elegans Sazonov & Ivanov 1979 -- (Sazonov 1999:737 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712]). Current status: Valid as Bathytroctes elegans Sazonov & Ivanov 1979. Alepocephalidae. Distribution: Northern Indian Ocean. Habitat: marine.

erimelas, Narcetes Alcock [A. W.] 1890:305 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 34); ref. 83] About 75 miles west of Goa coast, Laccadive Sea, 15°02'N, 72°34'E, Investigator station 105, depth 740 fathoms. Syntypes: (2). Figured in Alcock 1892: Pl. 4 (fig. 1) [ref. 20531]. •Valid as Narcetes erimelas Alcock 1890 -- (Markle & Sazonov 1990:259 [ref. 14215], Sazonov 1998:449 [ref. 24862], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S29 [ref. 26712], McCosker & Rosenblatt 2010:189 [ref. 30957], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:78 [ref. 37250], Fujiwara et al. 2021:13 [ref. 38104], Fermon et al. 2022:131 [ref. 39448] possible, Grove et al. 2022:16 [ref. 41326], Page et al. 2023:62 [ref. 40505], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Narcetes erimelas Alcock 1890. Alepocephalidae. Distribution: Circumglobal. IUCN (2015): Least Concern. Habitat: marine.

erimoensis, Bajacalifornia Amaoka [K.] & Abe [K.] 1977:185, Figs. 1, 4 (A, C-E) [Japanese Journal of Ichthyology v. 23 (no. 4); ref. 7227] Off Cape Erimo, Hokkaido, Japan, depth 970 meters. Holotype (unique): HUMZ 41502. •Valid as Bajacalifornia erimoensis Amaoka & Abe 1977 -- (Amaoka in Amaoka et al. 1983:73, 177 [ref. 8379], Amaoka in Masuda et al. 1984:43 [ref. 6441], Nakabo 2000:292 [ref. 25086], Nakabo 2002:292 [ref. 26001]). •Synonym of Bajacalifornia megalops (Lütken 1898) -- (Markle & Krefft 1985:351 [ref. 6789], Markle & Sazonov 1990:250 [ref. 14215], Sazonov et al. 1993:58 [ref. 21498], Sheiko & Fedorov 2000:18 [ref. 25650], Parin et al. 2014:112 [ref. 33547]). Current status: Synonym of Bajacalifornia megalops (Lütken 1898). Alepocephalidae. Distribution: Cosmopolitan. Habitat: marine.

eucla, Rouleina Whitley [G. P.] 1940:407 [Australian Zoologist v. 9 (pt 4); ref. 4699] Off Eucla, Western Australia. Syntypes: AMS E.3310 (1), E.6572-73 (1, 1), E.6575-76 (1, 1), E.6578-79 (1, 1), E.6754 (1, lost), IA.1334-37 (1, 1, 1, 1). Based on Aleposomus (Rouleina) squamilaterus of McCulloch 1926:163, Pl. 44 (fig. 1) [ref. 2947]. •Synonym of Rouleina squamilatera (Alcock 1898) -- (Paxton et al. 1989:211 [ref. 12442], Gomon et al. 1994:243 [ref. 22532]). •Valid as Rouleina eucla Whitley 1940 -- (Sazonov 1999:437 [ref. 24874], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S20 [ref. 26712], Hoese et al. 2006:391 [ref. 29035], Williams & Sazonov 2008:205 [ref. 30623], Williams & Stewart 2015:373 [ref. 34243]). Current status: Valid as Rouleina eucla Whitley 1940. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

euryops, Rouleina Sazonov [Yu. I.] 1999:438 [480], Fig. 1 [Voprosy Ikhtiologii v. 39 (no. 4); ref. 24874] Sulu Sea, 8°15'N, 123°57'E, depth about 750 meters. Holotype: USNM 352405. Paratypes: USNM 137725 (14), 137730-31 (2, 1), 137734-38 (1, 4, 10, 1, 3), 137740 (1); plus additional non-type material On p. 480 of English translation. •Valid as Rouleina euryops Sazonov 1999 -- (Sazonov & Williams 2001:S18 [ref. 26712]). Current status: Valid as Rouleina euryops Sazonov 1999. Alepocephalidae. Distribution: Western Indian Ocean. Habitat: marine.

filamentosa, Talismania Okamura [O.] & Kawanishi [I.] in Okamura & Kitajima 1984:125, Pl. 81 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] Tosa Bay, Japan, 33°02.1'N, 133°45.0'E, depth 945 meters. Holotype: BSKU 23024. Paratypes: BSKU 23023 (1), 23025 (1), 26778 (1), 28053 (1). •Valid as Talismania filamentosa Okamura & Kawanishi 1984 -- (Okamura in Masuda et al. 1984:43 [ref. 6441], Okamura & Machida 1986:28 [ref. 22278], Miya in Amaoka et al. 1990:108 [ref. 16024], Nakabo 2000:293 [ref. 25086], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:293 [ref. 26001], Shinohara et al. 2005:404 [ref. 28370]). Current status: Valid as Talismania filamentosa Okamura & Kawanishi 1984. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

fiolenti, Conocara Sazonov [Yu. I.] & Ivanov [A. N.] 1979:1011, Fig. 5 [Voprosy Ikhtiologii v. 19 (no. 6) (art. 119); ref. 8668] Southeastern Indian Ocean, 11°25'S, 88°54.7'E [or 88°51.7'E], depth 1600 meters. Holotype (unique): ZMMU P-14518. Type catalog: Vasil'eva et al. 2001:33 [ref. 25714]. •Valid as Conocara fiolenti Sazonov & Ivanov 1979 -- (Markle & Quéro in Whitehead et al. 1984:239 [ref. 13675], Markle 1986:220 [ref. 5687], Markle & Sazonov 1990:254 [ref. 14215], Santos et al. 1997:27 [ref. 23531], Sazonov 1997:787 [ref. 23745], Arruda 1997:26 [ref. 24952], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 2002:272 [ref. 26009], Sazonov et al. 2009:854 [ref. 30625], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:76 [ref. 37250], Jufaili & Jawad 2021:446 [ref. 38643]). Current status: Valid as Conocara fiolenti Sazonov & Ivanov 1979. Alepocephalidae. Distribution: Circumglobal in tropical and temperate seas. Habitat: marine.

fundulus, Alepocephalus Garman [S.] 1899:293, Pl. 57 (fig. 2) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Off Pacific coast of Panama, 6°-7°N, 79°-82°W, Albatross station 3360 and 3392, depth 1270-1672 fathoms. Syntypes: MCZ 28469 (1) station 3360, 28470 (1) station 3392. •Valid as Alepocephalus fundulus Garman 1899 -- (Nakamura & Okamura in Okamura et al. 1995:72 [ref. 22531]). Current status: Valid as Alepocephalus fundulus Garman 1899. Alepocephalidae. Distribution: Eastern Pacific. Habitat: marine.

funebris, Xenodermichthys Fowler [H. W.] 1943:54, Fig. 4 [Bulletin of the United States National Museum No. 100, v. 14 (pt 2); ref. 1441] Off Point Tabonan, Palawan Passage, Philippines, 10°57'45"N, 118°38'15"E, Albatross station D.5348, depth 375 fathoms. Holotype (unique): USNM 99534. •Synonym of Rouleina watasei (Tanaka 1909) -- (Okamura & Machida 1986:31 [ref. 22278]). •Synonym of Rouleina squamilatera (Alcock 1898) -- (Sazonov & Williams 2001:S24 [ref. 26712]). Current status: Synonym of Rouleina squamilatera (Alcock 1898). Alepocephalidae. Habitat: marine.

garmani, Narcetes Fowler [H. W.] 1934:255, Fig. 17 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] China Sea, vicinity of southern Luzon Island, Philippines, Albatross station D.5282, depth 248 fathoms. Holotype (unique): USNM 92337. Current status: Uncertain. Alepocephalidae. Habitat: marine.

giardi, Alepocephalus Köhler [R.] 1896:513, Pl. 26 (fig. 1) [Annales de l'Université de Lyon. Paris [etc.] v. 26; ref. 14612] Bay of Biscay, station 4, 1410 m; station 10, depth 800 meters. Syntypes: MNHN B-2220 (2). •Synonym of Alepocephalus bairdii Goode & Bean 1879 -- (Krefft 1973:87 [ref. 7166], Markle & Sazonov 1990:247 [ref. 14215]). Current status: Synonym of Alepocephalus bairdii Goode & Bean 1879. Alepocephalidae. Habitat: marine.

grandisquamis, Talismania Quéro [J.-C.] 1974:440, Fig. 1 [Revue des Travaux de l'Institut des Pêches Maritimes v. 38 (no. 4); ref. 7532] Northeastern Atlantic, 26°53'N, 14°15'W. Holotype (unique): MNHN 1974-0094. Specific name misspelled grandisquanis in caption to Fig. 1. •Synonym of Talismania mekistonema Sulak 1975 -- (Markle & Sazonov 1990:263 [ref. 14215] but dates of publication need research). Current status: Synonym of Talismania mekistonema Sulak 1975. Alepocephalidae. Habitat: marine.

grimaldii, Bathytroctes Zugmayer [E.] 1911:1 [Bulletin de l'Institut Océanographique (Monaco) No. 193; ref. 6161] Off Portugal, 37°38'N, l0°53'W, station 3024, depth 0-4900 meters. Holotype (unique): MOM 0091-1145. Type catalog: Belloc 1949:5 [ref. 21544]. Species illustrated and described in more detail in Zugmayer 1911:6, Pl. 1 (fig. 2) [ref. 4846]. •Valid as Bathytroctes grimaldii Zugmayer 1911 -- (Krefft 1973:90 [ref. 7166]). •Synonym of Bathytroctes microlepis Günther 1878 -- (Markle & Sazonov 1990:252 [ref. 14215]). Current status: Synonym of Bathytroctes microlepis Günther 1878. Alepocephalidae. Habitat: marine.

guentheri, Xenodermichthys Alcock [A. W.] 1892:359, Pl. 18 (fig. 3) [Annals and Magazine of Natural History (Series 6) v. 10 (no. 59); ref. 88] Bay of Bengal, 15°43'30"N, 81°19'30"E, Investigator station 133, depth 678 fathoms. Holotype (unique): ZSI F13193 (poor condition). Type catalog: Menon & Yazdani 1968:100 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Alcock 1900: Pl. 32 (fig. 2) [ref. 20536]. •Valid as Rouleina guentheri (Alcock 1892) -- (Machida in Masuda et al. 1984:43 [ref. 6441], Machida in Okamura & Kitajima 1984:137, 331 [ref. 8057], Okamura & Machida 1986:31 [ref. 22278], Sazonov 1999:437 [ref. 24874], Sazonov & Markle 1999:1893 [ref. 24739], Nakabo 2000:293 [ref. 25086], Hutchins 2001:19 [ref. 25847], Shinohara et al. 2001:296 [ref. 25995], Sazonov & Merrett 2001:S47 [ref. 26652], Sazonov & Williams 2001:S22 [ref. 26712], Nakabo 2002:293 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:391 [ref. 29035], Williams & Sazonov 2008:205 [ref. 30623], Williams & Stewart 2015:374 [ref. 34243], Fricke et al. 2018:63 [ref. 35805]). Current status: Valid as Rouleina guentheri (Alcock 1892). Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

gymnos, Macromastax Beebe [W.] 1933:162, Fig. 40 [Zoologica v. 13 (no. 8); ref. 5873] 8 miles south of Nonsuch Island, Bermuda, depth 1000 fathoms. Holotype (unique): USNM 170960 [ex NYZS 10829]. Type catalog: Mead 1958:133 [ref. 20648]. Also appeared in Beebe 1933:81, Fig. 22 [ref. 245]. •Synonym of Bathylaco nigricans Goode & Bean 1896 -- (Nielsen & Larsen 1968:222 [ref. 7907] with question, Nielsen 1973:85 [ref. 6885], Markle & Quéro in Whitehead et al. 1984:235 [ref. 13675] with question, Markle & Sazonov 1990:251 [ref. 14215]). Current status: Synonym of Bathylaco nigricans Goode & Bean 1896. Alepocephalidae. Habitat: marine.

harperi, Bathytroctes Fowler [H. W.] 1934:250, Fig. 12 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Gulf of Boni, Sulawesi, Indonesia, 3°34'10"S, 120°50'30"E, Albatross station D.5655, depth 608 fathoms. Holotype: USNM 92333. Paratypes and additional material: USNM 93382-87 (1, 1, 2, 1, 2, 1). •Synonym of Rouleina attrita (Vaillant 1888) -- (Sazonov & Williams 2001:S19 [ref. 26712]). Current status: Synonym of Rouleina attrita (Vaillant 1888). Alepocephalidae. Habitat: marine.

hataii, Bathytroctes Fowler [H. W.] 1934:249, Fig. 11 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] East coast of Luzon Island, Philippines, 13°40'57"N, 123°57'45"E, Albatross station D.5463, depth 300 fathoms. Holotype: USNM 92331. Paratypes: USNM 93389-90 (2, 1). Current status: Uncertain. Alepocephalidae. Habitat: marine.

hjorti, Alepocephalus Koefoed [E.] 1927:43, Pl. 3 (fig. 7) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 4 (pt 1); ref. 2650] North Atlantic, 34°59'N, 33°01'W, station 53, depth 2615-2865 meters. Holotype: ZMUB 3335. Type catalog: Frøiland 1979:145 [ref. 21547]. •Valid as Asquamiceps hjorti (Koefoed 1927) -- (Paulin et al. 1989:85 [ref. 24556], Markle & Sazonov 1990:249 [ref. 14215], Sazonov & Markle 1999:1892 [ref. 24739], Hoese et al. 2006:386 [ref. 29035], Williams & Stewart 2015:362 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Fermon et al. 2022:130 [ref. 39448] possible). Current status: Valid as Asquamiceps hjorti (Koefoed 1927). Alepocephalidae. Distribution: Atlantic and Indo-Pacific. Habitat: marine.

homopterus, Bathytroctes Vaillant [L. L.] 1888:153 (386), Pl. 12 (fig. 1) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Banc d'Arguin, 22°03'N, 17°33'W, depth 1113 meters. Holotype (unique): MNHN 1886-0004. Type catalog: Bertin 1940:274 [ref. 293]. •Valid as Talismania homoptera (Vaillant 1888) -- (Markle & Quéro in Whitehead et al. 1984:251 [ref. 13675], Sazonov 1989:359 [ref. 17726], Markle & Sazonov 1990:263 [ref. 14215], McEachran & Fechhelm 1998:401 [ref. 23897], Pakhorukov 2001:377 [ref. 25409], Carter & Hartel 2003:878 [ref. 27000], Menezes in Menezes et al. 2003:44 [ref. 27192], Hartel & Orrell 2016:1770 [ref. 34565], Carneiro et al. 2019:79 [ref. 37250], Klautau et al. 2020:7 [ref. 37903], Fermon et al. 2022:132 [ref. 39448], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Talismania homoptera (Vaillant 1888). Alepocephalidae. Distribution: Tropical and warm temperate Atlantic (including Gulf of Mexico and Caribbean Sea). IUCN (2015): Least Concern. Habitat: marine.

indagatio, Asquamiceps (Asquamiceps) Parr [A. E.] 1954:(4) 5 [American Museum Novitates No. 1655; ref. 3383] South Atlantic, 33°50'-34°13'S, 16°04'-15°49'E, depth 2580 meters. Holotype (unique): BMNH 1930.1.12.1. •Synonym of Asquamiceps velaris Zugmayer 1911 -- (Markle & Sazonov 1990:249 [ref. 14215]). Current status: Synonym of Asquamiceps velaris Zugmayer 1911. Alepocephalidae. Habitat: marine.

inspector, Bathytroctes Garman [S.] 1899:288, Pl. M (fig. 1) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] West of Colombia, 6°10'N, 83°6'W, Albatross station 3361, depth 1471 fathoms. Holotype: MCZ 28475. Paratypes: MCZ 100832 [ex MCZ 28475] (1). •Valid as Bathytroctes inspector Garman 1899 -- (Sazonov 1999:740 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712]). Current status: Valid as Bathytroctes inspector Garman 1899. Alepocephalidae. Distribution: Eastern Pacific. Habitat: marine.

kamoharai, Narcetes Okamura [O.] in Okamura & Kitajima 1984:133, Pl. 83 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] Okinawa Trough, 29°47.1'N, 128°26.8'E, depth 1000 meters. Holotype: BSKU 28698. Paratypes: BSKU 23071 (1), 26377-81 (5), 26467-73 (7), 26475-7 (3)7, 26760-77 (18), 27544 (1), 28054 (1), 28520-21 (2), 28696 (1), 29699 (1), 33404-10 (7). •Synonym of Narcetes lloydi Fowler 1934 -- (Sazonov 1998:452 [ref. 24862]). •Valid as Narcetes kamoharai Okamura 1984 -- (Okamura in Masuda et al. 1984:43 [ref. 6441], Okamura & Machida 1986:30 [ref. 22278], Nakabo 2000:292 [ref. 25086], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:292 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370]). Current status: Valid as Narcetes kamoharai Okamura 1984. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

koefoedi, Bathytroctes Parr [A. E.] 1951:11 [American Museum Novitates No. 1531; ref. 3380] North Atlantic, 34°59'N, 33°01'W, depth 2865 meters. Holotype (unique): ZMUB 3351. •Valid as Bellocia koefoedi (Parr 1951) -- (Markle & Quéro in Whitehead et al. 1984:237 [ref. 13675], Markle & Sazonov 1990:253 [ref. 14215], Santos et al. 1997:27 [ref. 23531], Arruda 1997:26 [ref. 24952], McEachran & Fechhelm 1998:390 [ref. 23897], Porteiro et al. 1999:6 [ref. 24203]). •Synonym of Bathytroctes macrolepis Günther 1887 -- (Sazonov 1999:742 [ref. 24845]). Current status: Synonym of Bathytroctes macrolepis Günther 1887. Alepocephalidae. Habitat: marine.

kotlyari, Talismania Sazonov [Yu. I.] & Ivanov [A. N.] 1980:49, Fig. 13d [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 110; ref. 8282] Northeastern Indian Ocean, 3°46'N, 95°E, depth 800-875 meters. Holotype: ZMMU P-15185. Paratypes: ZMMU P-15186 (4), P-14285 (1). Type catalog: Vasil'eva et al. 2001:35 [ref. 25714]. •Valid as Talismania kotlyari Sazonov & Ivanov 1980 -- (Markle 1986:222 [ref. 5687], Shcherbachev et al. 1989:169 [ref. 36134], Fricke 1999:86 [ref. 24106], Fricke et al. 2018:64 [ref. 35805]). Current status: Valid as Talismania kotlyari Sazonov & Ivanov 1980. Alepocephalidae. Distribution: Indian Ocean and southeast Atlantic. Habitat: marine.

kreffti, Bathylaco Nielsen [J. G.] & Larsen [V.] 1970:35, Fig. 5 [Archiv für Fischereiwissenschaft v. 21 (no. 1); ref. 7769] Off southern Rio Grande do Sul (Brazil), southwestern Atlantic Ocean, 34°01'S, 47°39'W, depth about 2000 meters. Holotype: ISH 1540-1968. Paratypes: ISH 231-1968 (1). Type catalog: Krefft 1978:7 [ref. 9884]. Original type locality 'off Uruguay' erroneous, see Koerber 2024:28 [ref. 41192]. •Valid as Herwigia kreffti (Nielsen & Larsen 1970) -- (Nielsen 1972:30 [ref. 3197], Markle & Quéro in Whitehead et al. 1984:243 [ref. 13675], Markle 1986:221 [ref. 5687], Paxton et al. 1989:210 [ref. 12442], Paulin et al. 1989:86 [ref. 24556], Markle & Sazonov 1990:257 [ref. 14215], Santos et al. 1997:28 [ref. 23531], Arruda 1997:27 [ref. 24952], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S9 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Mundy 2005:160 [ref. 28379], Hoese et al. 2006:383 [ref. 28999], Hartel & Orrell 2016:1769 [ref. 34565], Nión et al. 2016:35 [ref. 35565], Carneiro et al. 2019:77 [ref. 37250], Fermon et al. 2022:131 [ref. 39448], Koerber 2023:44 [ref. 40486], Page et al. 2023:62 [ref. 40505], Koerber 2024:28 [ref. 41192]). Current status: Valid as Herwigia kreffti (Nielsen & Larsen 1970). Alepocephalidae. Distribution: Circumglobal, but not in eastern Pacific. Habitat: marine.

kreffti, Conocara Sazonov [Yu. I.] 1997:785 [749], Fig. [Voprosy Ikhtiologii v. 37 (no. 6); ref. 23745] Southeastern Indian Ocean, East-Indian Ridge, 28°13.6'S, 98°28.6'E, depth 1150 meters. Holotype: ZMMU P-16998. Paratypes: ZMMU P-16992-94 (5, 2, 2), P-16996-97 (4, 5), P-16999 (1), P-17000-01 (5, 3). Plus non-type material. Type catalog: Vasil'eva et al. 2001:33-34 [ref. 25714]. On p. 749 of English translation. •Valid as Conocara kreffti Sazonov 1997 -- (Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 2002:273 [ref. 26009], Mundy 2005:160 [ref. 28379], Hoese et al. 2006:388 [ref. 29035], Sazonov et al. 2009:854 [ref. 30625], Takami et al. 2016:1 [ref. 35055]). Current status: Valid as Conocara kreffti Sazonov 1997. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

lividus, Aleposomus Brauer [A.] 1906:21, Pl. 2 (fig. 1) [Die Tiefsee-Fische v. 15; ref. 632] Inland sea of Sumatra, Indonesia; Indian Ocean. Syntypes: (5) SMF 2006 (1) station 186, ZMB 17425 (1) station 205, ZMH 8235 (1) station 189. Type catalog: Wilkens & Dohse 1993:410 [ref. 21161]. •Valid as Rouleina livida (Brauer 1906) -- (Nakamura & Okamura in Okamura et al. 1995:77 [ref. 22531], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 1999:443 [ref. 24874], Sazonov & Williams 2001:S18 [ref. 26712]). Current status: Valid as Rouleina livida (Brauer 1906). Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

lloydi, Narcetes Fowler [H. W.] 1934:253, Fig. 16 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] East coast of Luzon Island, Philippines, Albatross station 5460, 13°32'30"N, 123°58'06"E, depth 565 fathoms. Holotype: USNM 92335. •Valid as Narcetes lloydi Fowler 1934 -- (Markle 1986:221 [ref. 5687], Shcherbachev et al. 1989:170 [ref. 36134], Fricke 1999:86 [ref. 24106], Sazonov 1998:451 [ref. 24862], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S29 [ref. 26712], Hoese et al. 2006:390 [ref. 29035], Fricke et al. 2018:63 [ref. 35805], Fricke et al. 2019:58 [ref. 36673]). Current status: Valid as Narcetes lloydi Fowler 1934. Alepocephalidae. Distribution: Indo-West Pacific: South and East Africa, Seychelles and Madagascar east to Philippines and New Ireland (Papua New Guinea), north to off southern Japan, south to Lord Howe Island. Habitat: marine.

longiceps, Alepocephalus Lloyd [R. E.] 1909:147, Pl. 44 [Memoirs of the Indian Museum v. 2 (no. 3); ref. 2814] Bay of Bengal, depth 693 fathoms. Holotype (unique): ZSI 2374/1. Figured in Lloyd 1909: Pl. 44 (fig. 2) [ref. 20539]. •Valid as Alepocephalus longiceps Lloyd 1909 -- (Okamura in Masuda et al. 1984:42 [ref. 6441], Okamura in Okamura & Kitajima 1984:123, 329 [ref. 8057], Sazonov & Markle 1999:1892 [ref. 24739], Nakabo 2000:291 [ref. 25086], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:386 [ref. 29035], Fricke et al. 2019:58 [ref. 36673]). Current status: Valid as Alepocephalus longiceps Lloyd 1909. Alepocephalidae. Distribution: Southeastern Indian Ocean, western Pacific. Habitat: marine.

longifilis, Bathytroctes Brauer [A.] 1902:277 [Zoologischer Anzeiger v. 25 (no. 668); ref. 631] Gulf of Aden, 44 kilometers south of Ahwar, Yemen, Western Indian Ocean, 13°02'N, 46°41'E, Valdivia station 271, depth 1469 meters. Holotype (unique): ZMB 17423. •Valid as Talismania longifilis (Brauer 1902) -- (Markle 1986:222 [ref. 5687], Paxton et al. 1989:211 [ref. 12442], Paulin et al. 1989:86 [ref. 24556], Markle & Sazonov 1990:263 [ref. 14215], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Savinykh & Savin 2001:846 [ref. 25937], Hoese et al. 2006:392 [ref. 29035], Williams & Sazonov 2008:206 [ref. 30623], Williams & Stewart 2015:375 [ref. 34243], Hartel & Orrell 2016:1770 [ref. 34565], Fricke et al. 2018:64 [ref. 35805], Fermon et al. 2022:132 [ref. 39448]). Current status: Valid as Talismania longifilis (Brauer 1902). Alepocephalidae. Distribution: Atlantic and Indo-West Pacific. Habitat: marine.

longirostris, Alepocephalus Okamura [O.] & Kawanishi [I.] in Okamura & Kitajima 1984:115, Pl. 77 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] East China Sea, 26°21.1'N, 124°50.7'E, depth 1000-1140 meters. Holotype: BSKU 26374. Paratypes: BSKU 26373 (1), 26375 (1). •Valid as Alepocephalus longirostris Okamura & Kawanishi 1984 -- (Okamura in Masuda et al. 1984:42 [ref. 6441], Shinohara et al. 1996:160 [ref. 26605], Sazonov & Markle 1999:1892 [ref. 24739], Nakabo 2000:291 [ref. 25086], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:386 [ref. 29035]). Current status: Valid as Alepocephalus longirostris Okamura & Kawanishi 1984. Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

longmani, Asquamiceps Fowler [H. W.] 1934:248, Fig. 9 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Gulf of Boni, Sulawesi, Indonesia, Albatross station 5655, depth 608 fathoms. Holotype: USNM 92325. •Valid as Asquamiceps longmani Fowler 1934 -- (Paxton et al. 1989:210 [ref. 12442]). Current status: Valid as Asquamiceps longmani Fowler 1934. Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

lubricum, Leptoderma Abe [T.], Marumo [R.] & Kawaguchi [K.] 1965:69, Figs. 1-4 [Japanese Journal of Ichthyology v. 13 (nos 1-3); ref. 9191] Suruga Bay, Japan, 34°52'N, 138°48'E, depth 0-1300 meters. Holotype (unique): ZUMT 55047 [ex ORIT 642]. Type catalog: Aizawa et al. 2022:223 [ref. 39655]. •Valid as Leptoderma lubricum Abe, Marumo & Kawaguchi 1965 -- (Machida in Masuda et al. 1984:43 [ref. 6441], Miya in Amaoka et al. 1990:106 [ref. 16024], Nakabo 2000:294 [ref. 25086], Nakabo 2002:294 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Byrkjedal et al. 2011:49 [ref. 31301], Angulo et al. 2016:498 [ref. 34156], Page et al. 2023:62 [ref. 40505]). Current status: Valid as Leptoderma lubricum Abe, Marumo & Kawaguchi 1965. Alepocephalidae. Distribution: Northwestern Pacific: Japan. Habitat: marine.

macrognathus, Bathytroctes Sazonov [Yu. I.] 1999:740 [706], Fig. 2 [Voprosy Ikhtiologii v. 39 (no. 6); ref. 24845] 5°25'S, 47°09'E, depth 4820 meters. Holotype: ZMUC P.17225. Paratypes: ZMH 8944 (1). On p. 706 of English translation. •Valid as Bathytroctes macrognathus Sazonov 1999 -- (Sazonov & Williams 2001:S32 [ref. 26712], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bathytroctes macrognathus Sazonov 1999. Alepocephalidae. Distribution: Circumglobal. IUCN (2024): Not Assessed. Habitat: marine.

macrolepis, Alepocephalus Koefoed [E.] 1927:44, Pl. 3 (fig. 8) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 4 (pt 1); ref. 2650] North Atlantic, 28°54'N, 24°14'W, station 48, depth about 4000 meters (7550 meters of wire out). Holotype (unique): ZMUB 3331. •Valid as Einara macrolepis (Koefoed 1927) -- (Krefft 1973:89 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:243 [ref. 13675], Markle & Sazonov 1990:257 [ref. 14215], Arruda 1997:27 [ref. 24952], Sazonov & Markle 1999:1893 [ref. 24739], Hoese et al. 2006:388 [ref. 29035], Hartel et al. 2008:321 [ref. 29890], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:77 [ref. 37250], Fermon et al. 2022:131 [ref. 39448], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:62 [ref. 40505], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Einara macrolepis (Koefoed 1927). Alepocephalidae. Distribution: Circumglobal. IUCN (2015): Least Concern. Habitat: marine.

macrolepis, Bathytroctes Günther [A.] 1887:225, Pl. 57 (fig. B) [Report on the Scientific Results of the Voyage of H. M. S. Challenger v. 22 (pt 57); ref. 2013] 2°55'N, 124°53'E, north of Sulawesi, Challenger station 198, depth 2150 fathoms. Holotype (unique): BMNH 1887.12.7.232. •Valid as Bathytroctes macrolepis Günther 1887 -- (Sazonov 1999:742 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], McCosker & Rosenblatt 2010:189 [ref. 30957], Williams & Stewart 2015:364 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Vieira et al. 2016:[4] [ref. 34869], Carneiro et al. 2019:76 [ref. 37250], Fermon et al. 2022:130 [ref. 39448] possible, Love et al. 2021:49 [ref. 39279], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bathytroctes macrolepis Günther 1887. Alepocephalidae. Distribution: Eastern Pacific; Atlantic, including Gulf of Mexico and Caribbean Sea; southwestern Indian Ocean. IUCN (2015): Least Concern. Habitat: marine.

macrophthalmum, Leptoderma Byrkjedal [I.], Poulsen [J. Y.] & Galbraith [J.] 2011:51, Figs. 2-3 [Zootaxa No. 2876; ref. 31301] North Atlantic, Mid Atlantic Ridge, 42°47'N, 29°38'W, depth 2107-2063 meters. Holotype (unique): ZMUB 19686. •Valid as Leptoderma macrophthalmum Byrkjedal, Poulsen & Galbraith 2011 -- (Angulo et al. 2016:498 [ref. 34156], Carneiro et al. 2019:78 [ref. 37250]). Current status: Valid as Leptoderma macrophthalmum Byrkjedal, Poulsen & Galbraith 2011. Alepocephalidae. Distribution: Northeastern Atlantic: Mid-Atlantic Ridge (north of Azores). Habitat: marine.

macrophthalmus, Bathylaco Nielsen [J. G.] & Larsen [V.] 1968:231, Pl. 15 (fig. 2) [Galathea Report v. 9; ref. 7907] Gulf of Panama, 9°23'N, 89°32'W, depth 3570 meters. Holotype (unique): ZMUC P1784. Type catalog: Nielsen 1974:11 [ref. 9588]. •Valid as Bathylaco macrophthalmus Nielsen & Larsen 1968 -- (Nielsen 1972:30 [ref. 3197], Sazonov & Williams 2001:S8 [ref. 26712], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bathylaco macrophthalmus Nielsen & Larsen 1968. Alepocephalidae. Distribution: Eastern Pacific: Mexico south to Panama. IUCN (2010): Data Deficient. Habitat: marine.

macrops, Alepocephalus Lloyd [R. E.] 1909:148 [Memoirs of the Indian Museum v. 2 (no. 3); ref. 2814] Off Arakan coast, Bay of Bengal, 17°07'30"N, 94°05'30"E, Investigator station 327, depth 419 fathoms. Holotype (unique): ZSI F1094/1. Type catalog: Menon & Yazdani 1968:100 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Lloyd 1909: Pl. 44 (fig. 3) [ref. 20539]. Current status: Uncertain. Alepocephalidae. Habitat: marine.

macrops, Leptochilichthys agassizi Roule [L.] & Angel [F.] 1931:6 [Bulletin de l'Institut Océanographique (Monaco) No. 581; ref. 3825] Off Morocco, North Atlantic, station 3084, depth 0-3000 meters. Holotype (unique): MOM 0091-1342. Type catalog: Belloc 1949:6 [ref. 21544]. Also in Roule & Angel 1933:8, Pl. 1 (fig. 3) [ref. 3827]. •Valid as Leptochioichthys macrops Roule & Angel 1931 -- (Krefft 1973:90 [ref. 7166]). •Synonym of Leptochilichthys agassizii Garman 1899 -- (Markle & Quéro in Whitehead et al. 1984:254 [ref. 13675], Markle & Sazonov 1990:244 [ref. 14215]). Current status: Synonym of Leptochilichthys agassizii Garman 1899. Alepocephalidae. Habitat: marine.

macrops, Leptoderma Vaillant [L. L.] 1886:1239 [Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences v. 103; ref. 4494] Off Morocco, eastern Atlantic. Syntypes: BMNH 1890.6.16.44 [ex MNHN] (1); MCZ 27611 [ex MNHN] (1); MNHN 1885-0219 to 0222 (1, 1, 1, 1), 1885-0225 (1, poor condition), 1885-0226 to 0228 (1, 1, 1), 1885-0233 to 0235 (1, 1, 1); USNM 42112 (1). Type catalog: Bertin 1940:275-276 [ref. 293]. Also appeared as new with illustrations and further description in Vaillant 1888:168, Pl. 13 (figs. 2-2g) [ref. 4496]. •Valid as Leptoderma macrops Vaillant 1886 -- (Krefft 1973:91 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:244 [ref. 13675], Markle 1986:221 [ref. 5687], Markle & Sazonov 1990:258 [ref. 14215], McEachran & Fechhelm 1998:394 [ref. 23897], Carter & Hartel 2003:878 [ref. 27000], Menezes in Menezes et al. 2003:44 [ref. 27192], Byrkjedal et al. 2011:49 [ref. 31301], Angulo et al. 2016:498 [ref. 34156], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:78 [ref. 37250], Quéro et al. 2019:26 [ref. 36877], Fermon et al. 2022:131 [ref. 39448], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Leptoderma macrops Vaillant 1886. Alepocephalidae. Distribution: Tropical and warm temperate Atlantic, including Gulf of Mexico and Caribbean Sea. IUCN (2015): Least Concern. Habitat: marine.

macropterus, Alepocephalus Vaillant [L. L.] 1888:150, Pl. 11 (figs. 2, 2a-2c) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Off Morocco, Soudan, Banc d'Arguin, depth 863-2115 meters. Lectotype: MNHN 1885-0163. Paralectotypes: MNHN 1885-0159 to 0162 (1, 1, 1, 1), 1885-0164 (1). Type catalog: Bertin 1940:273-274 [ref. 293]. Lectotype selected by Eschmeyer 1998:980 [ref. 23416]. •Valid as Conocara macroptera (Vaillant 1888) -- (Krefft 1973:89 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:239 [ref. 13675], Markle & Sazonov 1990:255 [ref. 14215], Arruda 1997:27 [ref. 24952], Santos et al. 1997:27 [ref. 23531], McEachran & Fechhelm 1998:392 [ref. 23897], Menezes in Menezes et al. 2003:44 [ref. 27192]). •Valid as Conocara macropterum (Vaillant 1888) -- (Sazonov 1997:787 [ref. 23745], Sazonov 2002:272 [ref. 26009], Carter & Hartel 2003:878 [ref. 27000], Sazonov et al. 2009:852 [ref. 30625], Lins Oliveira et al. 2015:56 [ref. 37485], Bañón et al. 2016:306 [ref. 34397], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:76 [ref. 37250], Bañón & Maño 2021:52 [ref. 38883], Fermon et al. 2022:131 [ref. 39448] with question, Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Conocara macropterum (Vaillant 1888). Alepocephalidae. Distribution: Tropical and warm temperate Atlantic, including Gulf of Mexico and Caribbean Sea. IUCN (2015): Least Concern. Habitat: marine.

maderensis, Rouleina Maul [G. E.] 1948:7, Fig. 1 [Boletim do Museu Municipal do Funchal No. 3 (art. 5); ref. 13063] Off Madeira, eastern Atlantic. Holotype: MMF 2398. Paratypes: ANSP 105306 (1); MMF 50 (1), 2395 (1), 2396 (1), 2397 (1), 2699 (1), 2745 (1). Type catalog: Böhlke 1984:18 [ref. 13621]. •Valid as Rouleina maderensis Maul 1948 -- (Krefft 1973:92 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:249 [ref. 13675], Markle 1986:222 [ref. 5687], Pequeño 1989:33 [ref. 14125], Markle & Sazonov 1990:261 [ref. 14215], Nakamura & Okamura in Okamura et al. 1995:78 [ref. 22531], Arruda 1997:28 [ref. 24952], McEachran & Fechhelm 1998:399 [ref. 23897], Fricke 1999:86 [ref. 24106], Sazonov 1999:437 [ref. 24874], Sazonov & Markle 1999:1893 [ref. 24739], Pakhorukov 1999:656 [ref. 24883], Sazonov & Williams 2001:S26 [ref. 26712], Mecklenburg et al. 2002:166 [ref. 25968], Carter & Hartel 2003:878 [ref. 27000], Hoese et al. 2006:391 [ref. 29035], Møller et al. 2010:25 [ref. 31169], Afonso et al. 2016:16, 267 [ref. 36199], Hartel & Orrell 2016:1770 [ref. 34565], Fricke et al. 2018:63 [ref. 35805], Carneiro et al. 2019:79 [ref. 37250], Quéro et al. 2019:28 [ref. 36877], Sutton et al. 2020:43 [ref. 37832], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Rouleina maderensis Maul 1948. Alepocephalidae. Distribution: Circumglobal in tropical and temperate seas (including Gulf of Mexico and Caribbean Sea). IUCN (2015): Least Concern. Habitat: marine.

mcdonaldi, Conocara Goode [G. B.] & Bean [T. H.] 1896:39, Pl. 13 (fig. 48) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Gulf of Mexico, 24°36'N, 84°05'W, depth 955 fathoms; 24°43'N, 83°25'W, Albatross station 2392. Syntypes: MCZ 28004 (2), USNM 39482 (1). •Synonym of Conocara macroptera (Vaillant 1888) [macropterum] -- (Krefft 1973:89 [ref. 7166] as macdonaldi, Markle & Sazonov 1990:255 [ref. 14215] as macdonaldi). •Synonym of Conocara macropterum (Vaillant 1888) -- (Sazonov et al. 2009:852 [ref. 30625]). Current status: Synonym of Conocara macropterum (Vaillant 1888). Alepocephalidae. Habitat: marine.

megalops, Anomalopterus Beebe [W.] 1933:159, Fig. 39 [Zoologica v. 13 (no. 8); ref. 5873] 12 miles south of Nonsuch Island, Bermuda, depth 0-700 fathoms. Holotype (unique): USNM 170957 [ex NYZS 11456]. Type catalog: Mead 1958:131 [ref. 20648]. Also appeared in Beebe 1933:17, Fig. 1 [ref. 245]. Current status: Uncertain. Alepocephalidae. Habitat: marine.

megalops, Cyclothone Lütken [C. F.] 1898:10, Pl. 4 (fig. 6) [Danish Ingolf expedition; ref. 14687] Between Iceland and Greenland, 64°38'N, 32°37'W, depth 1040 fathoms. Holotype (unique): ZMUC uncat. Type catalog: Nielsen 1974:10 [ref. 9588]. •Valid as Bajacalifornia megalops (Lütken 1898) -- (Markle & Krefft 1985:351 [ref. 6789], Markle & Quéro in Whitehead et al. 1984:234 [ref. 13675], Markle 1986:219 [ref. 5687], Scott & Scott 1988:188 [ref. 25518], Pequeño 1989:33 [ref. 14125], McAllister 1990:73 [ref. 14674], Markle & Sazonov 1990:250 [ref. 14215], Sazonov et al. 1993:58 [ref. 21498], Nakamura & Okamura in Okamura et al. 1995:75 [ref. 22531], Santos et al. 1997:27 [ref. 23531], Arruda 1997:26 [ref. 24952], McEachran & Fechhelm 1998:387 [ref. 23897], Fricke 1999:86 [ref. 24106], Sheiko & Fedorov 2000:18 [ref. 25650], Sazonov & Williams 2001:S13 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Hoese et al. 2006:387 [ref. 29035], Møller et al. 2010:24 [ref. 31169], Maslenikov et al. 2013:6 [ref. 37947], Parin et al. 2014:112 [ref. 33547], Williams & Stewart 2015:363 [ref. 34243], Afonso et al. 2016:16, 105 [ref. 36199], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Sutton et al. 2020:43 [ref. 37832], Dyldin & Orlov 2021:62 [ref. 38158], Fermon et al. 2022:130 [ref. 39448] with question, Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bajacalifornia megalops (Lütken 1898). Alepocephalidae. Distribution: Circumglobal in tropical and temperate oceans (including Gulf of Mexico and Caribbean Sea). IUCN (2015): Least Concern. Habitat: marine.

mekistonema, Talismania Sulak [K. J.] 1975:88, Figs. 1-4 [Bulletin of Marine Science v. 25 (no. 1); ref. 17768] Tongue-of-the-Ocean, R/V Columbus Iselin station 80, Atlantic, 23°53'30" to 23°54'00"N, 77°02'36" to 77°04'30"W. Holotype: USNM 211284. Paratypes: UF 231247 [ex UMML 31247] (1 of 3), 231255 [ex UMML 31255] (2). Additional material: now UF: UMML 15544 (1), 22894 (1), 31247-49 (2, 2, 1). •Valid as Talismania mekistonema Sulak 1975 -- (Markle & Quéro in Whitehead et al. 1984:251 [ref. 13675], Markle & Sazonov 1990:263 [ref. 14215], Santos et al. 1997:28 [ref. 23531], Arruda 1997:28 [ref. 24952], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Carter & Hartel 2003:878 [ref. 27000], Hoese et al. 2006:392 [ref. 29035], Hartel & Orrell 2016:1770 [ref. 34565], Carneiro et al. 2019:79 [ref. 37250], Fermon et al. 2022:132 [ref. 39448]). Current status: Valid as Talismania mekistonema Sulak 1975. Alepocephalidae. Distribution: Atlantic and Indian Ocean. Habitat: marine.

melas, Alepocephalus de Buen [F.] 1961:2, Fig. 1 [Montemar No. 1; ref. 698] Off Valparaíso, Chile. Holotype (unique): EBMC. •Valid as Alepocephalus melas de Buen 1961 -- (Pequeño 1989:33 [ref. 14125]). Current status: Valid as Alepocephalus melas de Buen 1961. Alepocephalidae. Distribution: Chile. Habitat: marine.

michaelsarsi, Bathytroctes Koefoed [E.] 1927:48, Pl. 3 (fig. 9) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 4 (pt 1); ref. 2650] North Atlantic, 34°59'N, 33°01'W, station 53, depth 2865 meters. Syntypes: ZMUB 3413 (4). Type catalog: Frøiland 1979:145 [ref. 21547]. •Valid as Bellocia michaelsarsi (Koefoed 1971) -- (Markle & Quéro in Whitehead et al. 1984:238 [ref. 13675], McAllister 1990:73 [ref. 14674], Markle & Sazonov 1990:254 [ref. 14215], McEachran & Fechhelm 1998:391 [ref. 23897]). •Valid as Bathytroctes michaelsarsi Koefoed 1927 -- (Sazonov 1999:745 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:76 [ref. 37250], Fermon et al. 2022:130 [ref. 39448], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bathytroctes michaelsarsi Koefoed 1927. Alepocephalidae. Distribution: Atlantic, including Gulf of Mexico and Caribbean Sea. IUCN (2015): Least Concern. Habitat: marine.

microlepis, Alepocephalus Lloyd [R. E.] 1909:146 [Memoirs of the Indian Museum v. 2 (no. 3); ref. 2814] Arabian Sea, depth 700-600 fathoms. Syntypes: (5, lost) ZSI 931-2/1, 2375/1, 2391/1. Figured in Lloyd 1909: Pl. 44 (fig. 4) [ref. 20539]. Reasons for loss of ZSI type specimens during WWII see Chopra 1947:349-350 [ref. 33077]. •Valid as Conocara microlepis (Lloyd 1909) -- (Markle & Quéro in Whitehead et al. 1984:240 [ref. 13675], Markle & Sazonov 1990:255 [ref. 14215], Sazonov 1997:787 [ref. 23745], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Sazonov 2002:272 [ref. 26009], Hoese et al. 2006:388 [ref. 29035], Sazonov et al. 2009:855 [ref. 30625], Costa & Mincarone 2010:353 [ref. 37483], Hartel & Orrell 2016:1769 [ref. 34565]). Current status: Valid as Conocara microlepis (Lloyd 1909). Alepocephalidae. Distribution: Atlantic and Indo-West Pacific. Habitat: marine.

microlepis, Bathytroctes Günther [A.] 1878:249 [22] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] Atlantic off Portugal, southeastern of Cape Vincent, 35°47'N, 8°23'W, depth 1090 fathoms. Holotype (unique): BMNH 1887.12.7.233. On p. 22 of separate. See also Günther 1887:226, Pl. 57 (fig. A) [ref. 2013]. •Valid as Bathytroctes microlepis Günther 1878 -- (Krefft 1973:90 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:236 [ref. 13675], Markle & Sazonov 1990:252 [ref. 14215], Santos et al. 1997:27 [ref. 23531], Arruda 1997:26 [ref. 24952], McEachran & Fechhelm 1998:388 [ref. 23897], Porteiro et al. 1999:27 [ref. 24203], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 1999:737 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:179 [ref. 27076], Costa & Mincarone 2010:353 [ref. 37483], Møller et al. 2010:24 [ref. 31169], Williams & Stewart 2015:365 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Robertson et al. 2017:40 [ref. 35676], Carneiro et al. 2019:76 [ref. 37250], Fermon et al. 2022:130 [ref. 39448], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Bathytroctes microlepis Günther 1878. Alepocephalidae. Distribution: Circumglobal, except Polar waters (including Gulf of Mexico, Caribbean Sea, and South China Sea). IUCN (2015): Least Concern. Habitat: marine.

microlepis, Leptochilichthys Machida [Y.] & Shiogaki [M.] 1988:1, Figs. 1-3 [Japanese Journal of Ichthyology v. 35 (no. 1); ref. 6622] Pacific, off Aomori Prefecture, northernmost District of Honshu, Japan, 40°54'N, 142°01'E to 40°36'N, 142°13'E. Holotype (unique): BSKU 43810. •Valid as Leptochilichthys microlepis Machida & Shiogaki 1988 -- (Sazonov et al. 1993:57 [ref. 21498], Nakabo 2000:294 [ref. 25086], Hutchins 2001:19 [ref. 25847], Nakabo 2002:294 [ref. 26001], Sazonov & Williams 2001:S6 [ref. 26712], Hoese et al. 2006:389 [ref. 29035]). Current status: Valid as Leptochilichthys microlepis Machida & Shiogaki 1988. Alepocephalidae. Distribution: Western North Pacific and off western Australia [probably Indo-Pacific]. Habitat: marine.

microphos, Binghamia Parr [A. E.] 1937:22, Fig. 7 [Bulletin of the Bingham Oceanographic Collection Yale University v. 3 (art. 7); ref. 3376] Tongue of the Ocean, Bahamas, 23°37'25"N, 77°15'10"W, 7000 feet wire out. Holotype (unique): YPM 3724. •Valid as Binghamichthys microphos (Parr 1937) -- (Pequeño 1989:33 [ref. 14125]). •Synonym of Talismania antillarum (Goode & Bean 1896) -- (Markle & Sazonov 1990:262 [ref. 14215]). Current status: Synonym of Talismania antillarum (Goode & Bean 1896). Alepocephalidae. Habitat: marine.

microstoma, Bajacalifornia Sazonov [Yu. I.] 1988:1593, Fig. [Zoologicheskii Zhurnal v. 67 (no. 10) (for Oct. 1988); ref. 14118] South China Sea, 11°09'N, 110°10'E, depth 1000-1280. Holotype: ZMMU P-16672. Paratypes: ZMMU P-14516 (1). Type catalog: Vasil'eva et al. 2001:32 [ref. 25714]. •Valid as Bajacalifornia microstoma Sazonov 1988 -- (Miya & Markle 1993:746 [ref. 20988], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S11 [ref. 26712]). Current status: Valid as Bajacalifornia microstoma Sazonov 1988. Alepocephalidae. Distribution: Tropical Indo-West Pacific. Habitat: marine.

mollis, Bathytroctes Köhler [R.] 1896:517, Pl. 26 (fig. 2) [Annales de l'Université de Lyon. Paris [etc.] v. 26; ref. 14612] Biscay Bay, France, station 2, depth 1700 meters. Holotype (unique): MNHN B-2219. •Synonym of Rouleina attrita (Vaillant 1888) -- (Krefft 1973:92 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:249 [ref. 13675], Markle & Sazonov 1990:261 [ref. 14215], Sazonov & Markle 1990:114 [ref. 21681], Sazonov & Williams 2001:S19 [ref. 26712]). Current status: Synonym of Rouleina attrita (Vaillant 1888). Alepocephalidae. Habitat: marine.

multipunctata, Microphotolepis Sazonov [Yu. I.] & Parin [N. V.] 1977:50, fig'd [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 107; ref. 3907] Western Pacific, 5°35'N, 130°47'E, depth 0-200 meters. Holotype: ZIN 42631. Paratypes: (1) ZMMU P-16919 (1). Type catalog: Vasil'eva et al. 2001:34-35 [ref. 25714]. •Synonym of Microphotolepis schmidti (Angel & Verrier 1931). Current status: Synonym of Microphotolepis schmidti (Angel & Verrier 1931). Alepocephalidae. Habitat: marine.

murrayi, Alepocephalus Koefoed [E.] 1927:41, Pl. 3 (fig. 6) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 4 (pt 1); ref. 2650] North Atlantic, 35°46'N, 8°16'W, station 25, 2055 m; 27°27'N, 14°52'W, station 35, depth 2603 meters. Syntypes: ZMUB 3211-12 (1, 2). Type catalog: Frøiland 1979:145 [ref. 21547]. •Valid as Conocara murrayi (Koefoed 1927) -- (Krefft 1973:89 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:240 [ref. 13675], Markle & Sazonov 1990:256 [ref. 14215], Santos et al. 1997:27 [ref. 23531], Sazonov 1997:788 [ref. 23745], Arruda 1997:27 [ref. 24952], McEachran & Fechhelm 1998:393 [ref. 23897], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 2002:272 [ref. 26009], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:179 [ref. 27076], Sazonov et al. 2009:856 [ref. 30625], Williams & Stewart 2015:366 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Fricke et al. 2018:63 [ref. 35805], Carneiro et al. 2019:77 [ref. 37250]. Quéro et al. 2019:29 [ref. 36877], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Conocara murrayi (Koefoed 1927). Alepocephalidae. Distribution: Atlantic Ocean (including Gulf of Mexico); Indian Ocean. IUCN (2015): Least Concern. Habitat: marine.

nasutus, Bathytroctes Koefoed [E.] 1927:50, Pl. 3 (fig. 10) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 4 (pt 1); ref. 2650] North Atlantic, 34°59'N, 33°01'W, station 53, depth 2865 meters. Holotype (unique): ZMUB 3208. Type catalog: Frøiland 1979:145 [ref. 21547]. •Valid as Rinoctes nasutus (Koefoed 1927) -- (Markle & Merrett 1980:225 [ref. 6948], Markle & Quéro in Whitehead et al. 1984:248 [ref. 13675], Markle & Sazonov 1990:260 [ref. 14215], Santos et al. 1997:123 [ref. 23531], Arruda 1997:28 [ref. 24952], McEachran & Fechhelm 1998:397 [ref. 23897], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 1999:734 [ref. 24845], Sazonov & Williams 2001:S30 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:78 [ref. 37250], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Rinoctes nasutus (Koefoed 1927). Alepocephalidae. Distribution: Circumglobal (including Gulf of Mexico). IUCN (2015): Least Concern. Habitat: marine.

nielseni, Bathylaco Sazonov [Yu. I.] & Ivanov [A. N.] 1980:15, Fig. 4 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 110; ref. 8282] Indian Ocean, 12°45'S, 61°11'E, depth 1500 meters. Holotype: ZMMU P-14561. Paratypes: ZMMU P-14562 (1). Type catalog: Vasil'eva et al. 2001:33 [ref. 25714]. •Valid as Bathylaco nielseni Sazonov & Ivanov 1980 -- (Markle & Sazonov 1990:251 [ref. 14215], Nakamura & Okamura in Okamura et al. 1995:76 [ref. 22531], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S8 [ref. 26712], Hartel & Orrell 2016:1769 [ref. 34565]). Current status: Valid as Bathylaco nielseni Sazonov & Ivanov 1980. Alepocephalidae. Distribution: Cosmopolitan. Habitat: marine.

niger, Alepocephalus Günther [A.] 1878:248 [21] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] North of Australia, Challenger station 184, 12°08'S, 145°10'E, depth 1400 fathoms. Holotype (unique): BMNH 1887.12.7.231. On p. 21 of separate. See also Günther 1887:224, Pl. 56 (fig. B) [ref. 2013]. •Valid as Ericara niger (Günther 1878) -- (Paxton et al. 1989:210 [ref. 12442]). •Valid as Conocara nigrum (Günther 1878) -- (Sazonov 1997:787 [ref. 23745], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov 2002:273 [ref. 26009], Hoese et al. 2006:388 [ref. 29035], Sazonov et al. 2009:858 [ref. 30625]). Current status: Valid as Conocara nigrum (Günther 1878). Alepocephalidae. Distribution: Coral Sea north of Australia. Habitat: marine.

nigricans, Bathylaco Goode [G. B.] & Bean [T. H.] 1896:57, Pl. 18 (fig. 69) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Off Santa Cruz [St. Croix, U. S. Virgin Islands, northern Caribbean Sea], 17°56.9'N, 64°54.3'W, Blake station 121, depth 2393 fathoms (4376 meters). Holotype (unique): MCZ 28061. •Valid as Bathylaco nigricans Goode & Bean 1896 -- (Nielsen & Larsen 1968:222 [ref. 7907], Nielsen & Larsen 1970:30 [ref. 7769], Nielsen 1972:34 [ref. 3197], Nielsen 1973:85 [ref. 6885], Markle & Quéro in Whitehead et al. 1984:235 [ref. 13675], Matarese et al. 1989:76 [ref. 26885], Markle & Sazonov 1990:251 [ref. 14215], Santos et al. 1997:27 [ref. 23531], Arruda 1997:26 [ref. 24952], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S8 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Love et al. 2005:30 [ref. 37547], Møller et al. 2010:24 [ref. 31169], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:76 [ref. 37250], Fermon et al. 2022:130 [ref. 39448] possible, Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Bathylaco nigricans Goode & Bean 1896. Alepocephalidae. Distribution: Circumglobal in warm to temperate waters; in eastern Pacific from Washington (U.S.A.) south to Colombia. Habitat: marine.

nodulosus, Xenodermichthys Günther [A.] 1878:250 [23] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] Off Tokyo, Japan, Challenger station 232, depth 345 fathoms. Holotype (unique): BMNH 1887.12.7.236. On p. 23 of separate. See also Günther 1887:230, Pl. 58 (fig. C) [ref. 2013]. •Valid as Xenodermichthys nodulosus Günther 1878 -- (Machida in Masuda et al. 1984:43 [ref. 6441], Machida in Okamura & Kitajima 1984:139, 332 [ref. 8057], Nakamura & Okamura in Okamura et al. 1995:80 [ref. 22531], Sazonov & Markle 1999:1893 [ref. 24739], Nakabo 2000:293 [ref. 25086], Sazonov & Williams 2001:S27 [ref. 26712], Nakabo 2002:293 [ref. 26001], Shinohara et al. 2005:404 [ref. 28370]). Current status: Valid as Xenodermichthys nodulosus Günther 1878. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

normani, Mirognathus Parr [A. E.] 1951:(4) 10 [American Museum Novitates No. 1531; ref. 3380] South Atlantic, 48°26'S, 22°10'W, depth 1500-1600 meters. Holotype: BMNH 1952.4.3.2. Spelled normanii in index on p. 4. •Valid as Mirognathus normani Parr 1951 -- (Markle & Quéro in Whitehead et al. 1984:246 [ref. 13675], Markle & Sazonov 1990:259 [ref. 14215], Sazonov & Last 2000:385 [ref. 25443], Sazonov & Williams 2001:S15 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:179 [ref. 27076], Hoese et al. 2006:389 [ref. 29035], Williams & Stewart 2015:370 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Nión et al. 2016:35 [ref. 35565], Carneiro et al. 2019:78 [ref. 37250], Page et al. 2023:62 [ref. 40505]). Current status: Valid as Mirognathus normani Parr 1951. Alepocephalidae. Distribution: Atlantic; southwestern Pacific. Habitat: marine.

nudus, Aleposomus Brauer [A.] 1906:22, Pl. 2 (fig. 2) [Die Tiefsee-Fische v. 15; ref. 632] Off Sumatra, Indonesia, 0°39'02"S, 98°52'03"E, Valdivia station 191, depth 750 meters. Syntypes: (2) ZMB 17426 (1). •Valid as Rouleina nuda (Brauer 1906) -- (Sazonov 1999:442 [ref. 24874], Sazonov & Williams 2001:S18 [ref. 26712]). Current status: Valid as Rouleina nuda (Brauer 1906). Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

okinawensis, Talismania Okamura [O.] & Kawanishi [I.] in Okamura & Kitajima 1984:129, Pl. 82 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] Okinawa Trough, 29°47.1'N, 128°26.8'E, depth 1000 meters. Holotype: BSKU 26787. Paratypes: BSKU 26480 (1), 26535 (1), 26691 (1), 26783-84 (2), 26788 (1), 26883-84 (2), 26962-67 (6), 26969 (1), 28045-46 (2), 28048-50 (3), 28124 (1), 28465-70 (6), 29701 (1), 33411-48 (38). •Valid as Talismania okinawensis Okamura & Kawanishi 1984 -- (Okamura in Masuda et al. 1984:43 [ref. 6441], Nakabo 2000:293 [ref. 25086], Nakabo 2002:293 [ref. 26001]). Current status: Valid as Talismania okinawensis Okamura & Kawanishi 1984. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

oligolepis, Grimatroctes Krefft [G.] 1970:40, Fig. 1 [Archiv für Fischereiwissenschaft v. 21 (no. 1); ref. 7755] 7°45'S, 13°34'W, depth 1800-0 meters. Holotype: ISH 127-1967a. Paratypes: ISH 127-1967b-c (2). Type catalog: Krefft 1978:7 [ref. 9884]. •Valid as Bathytroctes oligolepis (Krefft 1970) -- (Markle & Sazonov 1990:253 [ref. 14215], Sazonov 1999:738 [ref. 24845], Pakhorukov 1999:656 [ref. 24883], Sazonov & Williams 2001:S32 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Lins Oliveira et al. 2015:55 [ref. 37485] as cf. oligolepis, Hartel & Orrell 2016:1769 [ref. 34565]). Current status: Valid as Bathytroctes oligolepis (Krefft 1970). Alepocephalidae. Distribution: Circumglobal. Habitat: marine.

oregoni, Talismania Parr [A. E.] 1952:270, Fig. 1 [Journal of the Washington Academy of Sciences v. 42 (no. 8); ref. 12796] Gulf of Mexico, 29°09'N, 87°58'W, Oregon station 349, depth 470-500 fathoms. Holotype: USNM 160482. Paratypes: USNM 215561 (1). •Valid as Talismania oregoni Parr 1952 -- (Shimizu in Uyeno et al. 1983:126 [ref. 14275]). •Synonym of Talismania homoptera (Vaillant 1888) -- (Markle & Quéro in Whitehead et al. 1984:251 [ref. 13675], Markle & Sazonov 1990:263 [ref. 14215]). Current status: Synonym of Talismania homoptera (Vaillant 1888). Alepocephalidae. Distribution: Western Atlantic. Habitat: marine.

ospesca, Leptoderma Angulo [A.], Baldwin [C. C.] & Robertson [D. R.] 2016:494, Fig. 1 [Zootaxa 4066 (no. 4); ref. 34156] Eastern Pacific Ocean, El Salvador, 12°53'15.72"N, 90°09'30.6"W to 12°53'22.9194"N, 90°07'56.28"W, depth 1368-1406 meters. Holotype (unique): USNM 421478. •Valid as Leptoderma ospesca Angulo, Baldwin & Robertson 2016 -- (Robertson et al. 2017:40 [ref. 35676]). Current status: Valid as Leptoderma ospesca Angulo, Baldwin & Robertson 2016. Alepocephalidae. Distribution: El Salvador, eastern Pacific Ocean. Habitat: marine.

owstoni, Alepocephalus Tanaka [S.] 1908:27, Pl. 1 (fig. 6) [Journal of the College of Science. Imperial University, Tokyo v. 23 (art. 7); ref. 6032] Off Okinose, Sagami Sea, Japan. Holotype (unique): FMNH 89529. Type catalog: Ibarra & Stewart 1987:6 [ref. 12367]. •Valid as Alepocephalus owstoni Tanaka 1908 -- (Okamura in Masuda et al. 1984:42 [ref. 6441], Okamura in Okamura & Kitajima 1984:113, 329 [ref. 8057], Sazonov & Markle 1999:1892 [ref. 24739], Nakabo 2000:291 [ref. 25086], Hutchins 2001:19 [ref. 25847], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:386 [ref. 29035], Misawa et al. 2020:271 [ref. 38138], Senda et al. 2020:113 [ref. 37789]). Current status: Valid as Alepocephalus owstoni Tanaka 1908. Alepocephalidae. Distribution: Eastern Indian Ocean, western Pacific: Andaman Sea off Thailand; Okinawa Trough; Japan; Western Australia. Habitat: marine.

pacificus, Asquamiceps (Perioceps) Parr [A. E.] 1954:(4) 6 [American Museum Novitates No. 1655; ref. 3383] Off the Gulf of Panama, (Pacific) Panama, eastern Pacific, 6°48'N, 80°33'W, depth 1750 meters. Holotype (unique): ZMUC P1777. Type catalog: Nielsen 1974:10 [ref. 9588]. •Valid as Asquamiceps pacificus Parr 1954 -- (Markle 1980:47 [ref. 6077], Love et al. 2005:30 [ref. 37547], Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Asquamiceps pacificus Parr 1954. Alepocephalidae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to Panama, including Revillagigedo Islands (Mexico). Habitat: marine.

pappenheimi, Narcetes Fowler [H. W.] 1934:253, Fig. 15 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Gulf of Tomini, Sulawesi, Indonesia, 0°08'00"S, 121°19'00"E, Albatross station D.5608, depth 1092 fathoms. Holotype: USNM 92336. •Valid as Bellocia pappenheimi (Fowler 1934) -- (Sazonov & Markle 1999:1893 [ref. 24739]). •Valid as Bathytroctes pappenheimi (Fowler 1934) -- (Sazonov 1999:745 [ref. 24845], Sazonov & Williams 2001:S32 [ref. 26712]). Current status: Valid as Bathytroctes pappenheimi (Fowler 1934). Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

paxtoni, Conocara Sazonov [Yu. I.], Williams [A.] & Kobyliansky [S. G.] 2009:858, Fig. 2 [Journal of Ichthyology v. 49 (no. 10); ref. 30625] Continental Slope of Australia, Tasman Sea, 29°42'S, 159°48'E, depth 2450 meters. Holotype (unique): AMS I.29316-002. Genus misspelled Canoocara in main species heading. Species misspelled pastoni on p. 852. •Valid as Conocara paxtoni Sazonov, Williams & Kobyliansky 2009. Current status: Valid as Conocara paxtoni Sazonov, Williams & Kobyliansky 2009. Alepocephalidae. Distribution: Tasman Sea. Habitat: marine.

phospherops, Aulastomatomorpha Alcock [A. W.] 1890:307 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 34); ref. 83] Off Elicapeni Bank, Laccadive Sea, 11°12'47"N, 74°25'30"E, Investigator station 104, depth 1000 fathoms. Holotype (unique): ZSI F12872. Type catalog: Menon & Yazdani 1968:101 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Alcock 1892: Pl. 5 (fig. 2) [ref. 20531] where name was spelled phosphorops on legend page and plate. •Valid as Aulastomatomorpha phospherops Alcock 1890 -- (Markle & Sazonov 1996:498 [ref. 22398], Sazonov & Markle 1999:1893 [ref. 24739], Hoese et al. 2006:387 [ref. 29035]). Current status: Valid as Aulastomatomorpha phospherops Alcock 1890. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

pinguis, Anomalopterus Vaillant [L. L.] 1886:1239 [Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences v. 103; ref. 4494] Off Cape Blanc [Blanco], Morocco, depth 1400 meters. Holotype (unique): MNHN 1885-0168. Type catalog: Bertin 1940:276 [ref. 293]. Also appeared as new with illustrations and further description in Vaillant 1888:160, Pl. 11 (figs. 4-4a) [ref. 4496]. •Valid as Leptochilichthys pinguis (Vaillant 1886) -- (Markle & Quéro in Whitehead et al. 1984:255 [ref. 13675], Markle 1986:226 [ref. 5687], Machida & Shiogaki 1988:5 [ref. 6622], Markle & Sazonov 1990:244 [ref. 14215], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S6 [ref. 26712], Hoese et al. 2006:389 [ref. 29035], Carneiro et al. 2019:77 [ref. 37250], Fermon et al. 2022:131 [ref. 39448] possible). Current status: Valid as Leptochilichthys pinguis (Vaillant 1886). Alepocephalidae. Distribution: Circumglobal. Habitat: marine.

planifrons, Alepocephalus Sazonov [Yu. I.] 1993:707 [Voprosy Ikhtiologii v. 33 (no. 5); ref. 21900] Southeastern Pacific, 17°46'S, 71°45'W, depth 720-750 meters. Holotype: ZMMU P-19091. Paratypes: ZMMU P-19092-95 (3, 3, 2, 1). Type catalog: Vasil'eva et al. 2001:31-32 [ref. 25714]. •Valid as Alepocephalus planifrons Sazonov 1993. Current status: Valid as Alepocephalus planifrons Sazonov 1993. Alepocephalidae. Distribution: Southeastern Pacific. Habitat: marine.

pluriserialis, Narcetes Garman [S.] 1899:289, Pl. 57 (fig. 3) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Cocos Island, eastern Pacific, 5°31'N, 86°31'W, Albatross station 3365, depth 1010 fathoms. Holotype (unique): MCZ 28474. •Synonym of Narcetes stomias (Gilbert 1890) -- (Markle & Sazonov 1990:259 [ref. 14215], Sazonov 1998:454 [ref. 24862], Sazonov & Markle 1990:113 [ref. 21681]). Current status: Synonym of Narcetes stomias (Gilbert 1890). Alepocephalidae. Habitat: marine.

productus, Alepocephalus Gill [T. N.] 1883:256 [Proceedings of the United States National Museum v. 6 (no. 380); ref. 1724] Gulf Stream off eastern U.S.A., 39°26'16"N, 70°02'37"W, Albatross station 2035, depth 1362 fathoms. Holotype (unique): USNM 33341. •Valid as Alepocephalus productus Gill 1883 -- (Krefft 1973:87 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:231 [ref. 13675], Nakamura in Nakamura et al. 1986:86 [ref. 14235], Nakamura & Okamura in Okamura et al. 1995:73 [ref. 22531], McEachran & Fechhelm 1998:385 [ref. 23897], Sazonov & Markle 1999:1892 [ref. 24739], Pakhorukov 2001:377 [ref. 25409] as cf. productus, Hutchins 2001:19 [ref. 25847] as cf. productus, Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:178 [ref. 27076], Williams & Stewart 2015:361 [ref. 34243], Hartel & Orrell 2016:1768 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Quéro et al. 2019:30 [ref. 36877], Fermon et al. 2022:129 [ref. 39448] with question, Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Alepocephalus productus Gill 1883. Alepocephalidae. Distribution: Atlantic (including Gulf of Mexico and Caribbean Sea); southwestern Pacific. IUCN (2015): Least Concern. Habitat: marine.

profundorum, Xenognathus Gilbert [C. H.] 1915:311, Pl. 14 (fig. 2) [Proceedings of the United States National Museum v. 48 (no. 2075); ref. 1632] Off Santa Catalina Island, California, U.S.A., 33°02'15"N, 120°42'W, Albatross station 4390, depth 1350-2182 fathoms. Holotype (unique): USNM 75826. •Synonym of Conocara salmonea (Gill & Townsend 1897) -- (Markle & Sazonov 1990:256 [ref. 14215]). •Synonym of Conocara salmoneum (Gill & Townsend 1897) -- (Sazonov et al. 1993:65 [ref. 21498], Mecklenburg et al. 2002:168 [ref. 25968]). Current status: Synonym of Conocara salmoneum (Gill & Townsend 1897). Alepocephalidae. Habitat: marine.

proroscopus, Bathytroctes Brauer [A.] 1902:43, 49 [Verhandlungen der Deutschen Zoologischen Gesellschaft v. 12; ref. 17273] Indian Ocean near Amirante Islands. Current status: Uncertain. Alepocephalidae. Habitat: marine.

pycnopterus, Photostylus Beebe [W.] 1933:163, Fig. 41 [Zoologica v. 13 (no. 8); ref. 5873] 9 miles southeast of Nonsuch Island, Bermuda, depth 0-800 fathoms. Holotype (unique): USNM 170959 [ex NYZS 10217]. Type catalog: Mead 1958:134 [ref. 20648]. Also appeared in Beebe 1933:83, Fig. 23 [ref. 245]. •Valid as Photostylus pycnopterus Beebe 1933 -- (Markle & Quéro in Whitehead et al. 1984:247 [ref. 13675], Paxton et al. 1989:210 [ref. 12442], Markle & Sazonov 1990:260 [ref. 14215], Tsukamoto et al. 1992 [ref. 20260], Nakamura & Okamura in Okamura et al. 1995:79 [ref. 22531], Santos et al. 1997:28 [ref. 23531], Arruda 1997:27 [ref. 24952], McEachran & Fechhelm 1998:396 [ref. 23897], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S16 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:179 [ref. 27076], Love et al. 2005:31 [ref. 37547], Mundy 2005:160 [ref. 28379], Hoese et al. 2006:390 [ref. 29035], Møller et al. 2010:24 [ref. 31169], Fricke et al. 2011:356 [ref. 31242], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:78 [ref. 37250], Quéro et al. 2019:24 [ref. 36877], Sutton et al. 2020:42 [ref. 37832], Eduardo et al. 2022:5 [ref. 39574], Fermon et al. 2022:131 [ref. 39448] possible, Love et al. 2021:49 [ref. 39279], Grove et al. 2022:16 [ref. 41326], Mincarone et al. 2022:[3] [ref. 39411], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Photostylus pycnopterus Beebe 1933. Alepocephalidae. Distribution: Circumglobal in tropical and temperate seas (including Gulf of Mexico, Caribbean Sea, South China Sea, and southern Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

retropinna, Leptoderma Fowler [H. W.] 1943:55, Fig. 5 [Bulletin of the United States National Museum No. 100, v. 14 (pt 2); ref. 1441] Off Diuata Point, between Leyte and Mindanao, Philippines, 9°06'30"N, 125°00'20"E, Albatross station D5495, depth 976 fathoms. Holotype: USNM 99512. •Valid as Leptoderma retropinna Fowler 1943 -- (Machida in Masuda et al. 1984:43 [ref. 6441], Machida in Okamura & Kitajima 1984:137, 330 [ref. 8057] as retropinnum, Sazonov & Markle 1999:1893 [ref. 24739], Nakabo 2000:294 [ref. 25086] as retropinnum, Hutchins 2001:19 [ref. 25847] as cf. retrospinna [sic], Nakabo 2002:294 [ref. 26001] as retropinnum, Shinohara et al. 2005:403 [ref. 28370] as rectropinnum, Byrkjedal et al. 2011:49 [ref. 31301], Angulo et al. 2016:498 [ref. 34156], Senda et al. 2020:115 [ref. 37789] as cf. retropinna). Current status: Valid as Leptoderma retropinna Fowler 1943. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine.

rostratus, Alepocephalus Risso [A.] 1820:271, Pl. 10 (fig. 4) [Memorie della Reale Accademia delle Scienze di Torino v. 25; ref. 3756] Nice, France, northwestern Mediterranean Sea. Syntypes: MNHN B-0844 (1, drt, poor condition), B-0845 (1, dry). Type catalog: Bertin 1945:375 [ref. 21554]. Also see Risso 1827:449, Pl. 11 (fig. 28) [ref. 3757]. •Valid as Alepocephalus rostratus Risso 1820 -- (Krefft 1973:86 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:232 [ref. 13675], Markle & Sazonov 1990:248 [ref. 14215], Santos et al. 1997:26 [ref. 23531], Arruda 1997:26 [ref. 24952], Bañón et al. 2016:306 [ref. 34397], Hartel & Orrell 2016:1768 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Quéro et al. 2019:25 [ref. 36877], Bañón & Maño 2021:52 [ref. 38883], Kovačić et al. 2021:22 [ref. 39014], Fermon et al. 2022:129 [ref. 39448]). Current status: Valid as Alepocephalus rostratus Risso 1820. Alepocephalidae. Distribution: Western Mediterranean Sea, eastern Atlantic: off Ireland and France south to Namibia, including Azores, Madeira and Cape Verde Islands. Habitat: marine.

salmonea, Ericara Gill [T. N.] & Townsend [C. H.] 1897:232 [Proceedings of the Biological Society of Washington v. 11; ref. 1749] Bering Sea, southwest of Pribilof Islands, Albatross station 3603, depth 1771 fathoms. Holotype (unique): USNM 48769. •Valid as Conocara salmonea (Gill & Townsend 1897) -- (Markle & Quéro in Whitehead et al. 1984:241 [ref. 13675], Markle & Sazonov 1990:256 [ref. 14215]). •Valid as Ericara salmoneum Gill & Townsend 1897 -- (Matarese et al. 1989:76 [ref. 26885]). •Valid as Conocara salmoneum (Gill & Townsend 1897) -- (Sazonov et al. 1993:65 [ref. 21498], Sazonov 1997:787 [ref. 23745], Mecklenburg et al. 2002:168 [ref. 25968], Sazonov 2002:273 [ref. 26009], Carter & Hartel 2003:878 [ref. 27000], Love et al. 2005:31 [ref. 37547], Sazonov et al. 2009:854 [ref. 30625], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:77 [ref. 37250], Love et al. 2021:49 [ref. 39279], Page et al. 2023:62 [ref. 40505]). Current status: Valid as Conocara salmoneum (Gill & Townsend 1897). Alepocephalidae. Distribution: Atlantic Ocean; eastern Pacific: Bering Sea, and off southern California (U.S.A.). Habitat: marine.

schmidti, Aleposomus Angel [F.] & Verrier [M. L.] 1931:121, Fig. 1 [Annales de l'Institut Océanographique, Monaco (Nouvelle Série) v. 10 (no. 5); ref. 15919] North of New Guinea. •Valid as Microphotolepis schmidti (Angel & Verrier 1931) -- (Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S17 [ref. 26712], Senda et al. 2020:115 [ref. 37789], Gloerfelt-Tarp & Kailola 2022:65 [ref. 41223]). Current status: Valid as Microphotolepis schmidti (Angel & Verrier 1931). Alepocephalidae. Distribution: Eastern Indian Ocean, western Pacific: Andaman Sea coast off Thailand and Indonesia east to New Guinea Habitat: marine.

shonanmaruae, Narcetes Poulsen [J. Y.], Ida [H.], Kawato [M.] & Fujiwara [Y.] in Fujiwara, Kawato, Poulsen, Ida, Chikaraishi, Ohkouchi et al. 2021:2, Figs. 2-3 [Scientific Reports v. 11: 2490; ref. 38104] Suruga Bay, Japan, depth 2,171 meters. Holotype: JAMSTEC 1160053133. Paratypes: CBM, KPM, NSMT. •Valid as Narcetes shonanmaruae Poulsen, Ida, Kawato & Fujiwara 2021 -- (Fujiwara et al. 2022:4 [ref. 39400]). Current status: Valid as Narcetes shonanmaruae Poulsen, Ida, Kawato & Fujiwara 2021. Alepocephalidae. Distribution: Northwestern Pacific: Suruga Bay (Japan) south to Nishi-Shichito Ridge (Japan). Habitat: marine.

socialis, Xenodermichthys Vaillant [L. L.] 1888:162, Pl. 13 (figs. 1, 1a-h) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Coasts of Morocco; Soudan; Banc d'Arguin, northwestern Africa; depth 1717-1350 meters. Syntypes: BMNH 1890.6.16.51-52 [ex MNHN] (2); MCZ 27603 (2); MNHN 1885-0170 to 0181 (12, 1 ea. lot), 1885-0205 to 0218 (14, 1 ea. lot); NRM 14071 (2); ZMUO J647 (1). Type catalog: Bertin 1940:275 [ref. 293], Pethon 1969:4 [ref. 19268]. •Valid as Xenodermichthys socialis Vaillant 1888 -- (Krefft 1973:93 [ref. 7166], Shimizu in Uyeno et al. 1983:127 [ref. 14275]). •Synonym of Xenodermichthys copei (Gill 1884) -- (Markle 1986:223 [ref. 5687], Scott & Scott 1988:188 [ref. 25518], Markle & Sazonov 1990:264 [ref. 14215]). Current status: Synonym of Xenodermichthys copei (Gill 1884). Alepocephalidae. Habitat: marine.

springeri, Leptoderma Mead [G. W.] & Böhlke [J. E.] 1953:265 [Texas Journal of Science v. 5 (no. 2); ref. 12705] Gulf of Mexico off the state of Mississippi, 29°01'N, 88°24'W, Oregon station 640, depth 355-475 fathoms. Holotype (unique): USNM 163280. •Synonym of Leptoderma macrops Vaillant 1886 -- (Krefft 1973:91 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:244 [ref. 13675], Markle & Sazonov 1990:258 [ref. 14215], Byrkjedal et al. 2011:49 [ref. 31301]). Current status: Synonym of Leptoderma macrops Vaillant 1886. Alepocephalidae. Habitat: marine.

squamilaterus, Xenodermichthys Alcock [A. W.] 1898:148 [Annals and Magazine of Natural History (Series 7) v. 2 (no. 8) (art. 22); ref. 92] Off Andaman Islands, Andaman Sea, 14°13'N, 93°40'E, Investigator station 235, depth 370-419 fathoms. Holotype (unique): ZSI F375/1. Type catalog: Menon & Yazdani 1968:101 [ref. 20743], Menon & Rama-Rao 1975:34 [ref. 22148]. Figured in Alcock 1899: Pl. 25 (fig. 4) [ref. 20535]. •Valid as Xenodermichthys squamilaterus Alcock 1898 -- (Paulin et al. 1989:85 [ref. 24556]). •Valid as Rouleina squamilatera (Alcock 1898) -- (Markle 1986:222 [ref. 5687], Paxton et al. 1989:210 [ref. 12442], Shcherbachev et al. 1989:164, 166 [ref. 36134], Miya in Amaoka et al. 1990:107 [ref. 16024], Gomon et al. 1994:243 [ref. 22532], Fricke 1999:86 [ref. 24106], Sazonov 1999:437 [ref. 24874], Sazonov & Markle 1999:1893 [ref. 24739], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S24 [ref. 26712], Hoese et al. 2006:391 [ref. 29035], Parin et al. 2014:113 [ref. 33547], Senda et al. 2020:116 [ref. 37789]). Current status: Valid as Rouleina squamilatera (Alcock 1898). Alepocephalidae. Distribution: Eastern Indian Ocean, western Pacific. Habitat: marine.

squamosus, Bathytroctes Alcock [A. W.] 1890:303 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 34); ref. 83] About 75 miles west of Goa coast, Laccadive Sea, 15°02'N, 72°34'E, Investigator station 105, depth 740 fathoms. Holotype (unique): ZSI F12869. Type catalog: Menon & Yazdani 1968:100 [ref. 20743]. Figured in Alcock 1892: Pl. 5 (fig. 1) [ref. 20531]. •Valid as Bathytroctes squamosus Alcock 1890 -- (Markle 1986:220 [ref. 5687], Shcherbachev et al. 1989:164, 168 [ref. 36134], Markle & Sazonov 1990:253 [ref. 14215], McEachran & Fechhelm 1998:389 [ref. 23897], Fricke 1999:86 [ref. 24106], Sazonov 1999:737 [ref. 24845], Hutchins 2001:19 [ref. 25847], Sazonov & Williams 2001:S32 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Menezes in Menezes et al. 2003:44 [ref. 27192], Moore et al. 2003:179 [ref. 27076], Hoese et al. 2006:387 [ref. 29035], Hartel & Orrell 2016:1769 [ref. 34565], Page et al. 2023:62 [ref. 40505]). Current status: Valid as Bathytroctes squamosus Alcock 1890. Alepocephalidae. Distribution: Indian Ocean to Indo-Australian Archipelago, records elsewhere suspect. Habitat: marine.

stomias, Bathytroctes Gilbert [C. H.] 1890:53 [Proceedings of the United States National Museum v. 13 (no. 797); ref. 1623] 47°22'N, 125°48'30"W, off Washington (northwestern U.S.A.), Albatross station 3074, depth 877 fathoms. Holotype (unique): USNM 43081. •Valid as Narcetes stomias (Gilbert 1890) -- (Krefft 1973:91 [ref. 7166], Golovan & Pakhorukov 1979 [ref. 14114], Markle & Quéro in Whitehead et al. 1984:246 [ref. 13675], Markle 1986:221 [ref. 5687], Matarese et al. 1989:76 [ref. 26885], Shcherbachev et al. 1989:168 [ref. 36134], Markle & Sazonov 1990:259 [ref. 14215], Sazonov & Markle 1990:113 [ref. 21681], Sazonov et al. 1993:43 [ref. 21498], Pacheco Tack 1997:69 [ref. 23172], McEachran & Fechhelm 1998:395 [ref. 23897], Sazonov 1998:454 [ref. 24862], Fricke 1999:86 [ref. 24106], Sazonov & Markle 1999:1893 [ref. 24739], Sazonov & Williams 2001:S30 [ref. 26712], Carter & Hartel 2003:878 [ref. 27000], Moore et al. 2003:179 [ref. 27076], Duhamel et al. 2005:396 [ref. 32059] with question, Love et al. 2005:31 [ref. 37547], Hoese et al. 2006:390 [ref. 29035], Williams & Stewart 2015:371 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:78 [ref. 37250], Quéro et al. 2019:29 [ref. 36877], Love et al. 2021:49 [ref. 39279], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Narcetes stomias (Gilbert 1890). Alepocephalidae. Distribution: Circumglobal (including Gulf of Mexico and Caribbean Sea); in eastern Pacific from Washington (U.S.A.) south to Panama, including southern Gulf of California (Mexico). IUCN (2015): Least Concern. Habitat: marine.

tanakae, Rouleina Parr [A. E.] 1951:14 [American Museum Novitates No. 1531; ref. 3380] Okinose, near Misake, Japan. Holotype (unique): ZUMT 2148. Type catalog: Aizawa et al. 2022:224 [ref. 39655]. The spelling tanakae is acceptable; early workers almost certainly Latinized the name first, and then added an 'e' (Art. 31.1.1) [WNE, 12 Mar. 2012] although Parr may not have known this -- we now suggest using tanakae. The type is also a paratype of Aleposomus watasei. •Synonym of Rouleina guentheri (Alcock 1892) -- (Okamura & Machida 1986:31 [ref. 22278], Sazonov & Williams 2001:S22 [ref. 26712]). Current status: Synonym of Rouleina guentheri (Alcock 1892). Alepocephalidae. Habitat: marine.

tenebrosus, Alepocephalus Gilbert [C. H.] 1892:545 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] Santa Barbara Channel, California, U.S.A., depth 359-822 fathoms. Syntypes: CAS-SU 54 (1), 5306 (1); USNM 46726 (3), 125331 (5), 164995 (4). Type catalog: Böhlke 1953:13 [ref. 12291]. •Valid as Alepocephalus tenebrosus Gilbert 1892 -- (Matarese et al. 1989:76 [ref. 26885], Sazonov et al. 1993:43 [ref. 21498], Mecklenburg et al. 2002:167 [ref. 25968], Love et al. 2005:30 [ref. 37547], Maslenikov et al. 2013:6 [ref. 37947], Robertson et al. 2017:38 [ref. 35676], Burton & Lea 2019:39 [ref. 37205], Love et al. 2021:48 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:153 [ref. 41622]). Current status: Valid as Alepocephalus tenebrosus Gilbert 1892. Alepocephalidae. Distribution: Eastern Pacific: Bering Sea south to central Baja California (Mexico), including Guadalupe Island (Mexico); Chile. Habitat: marine.

triangularis, Alepocephalus Okamura [O.] & Kawanishi [I.] in Okamura & Kitajima 1984:119, Pl. 78 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] Okinawa Trough, 26°21'N, 124°50.7'E, depth 1000-1140 meters. Holotype: BSKU 26372. Paratypes: BSKU 26382 (1), 26483-85 (3), 26694 (1), 26798 (1), 26802-03 (1, 1), 26805 (1), 28126-27 (1, 1). •Valid as Alepocephalus triangularis Okamura & Kawanishi 1984 -- (Okamura in Masuda et al. 1984:42 [ref. 6441], Sazonov & Markle 1999:1892 [ref. 24739], Nakabo 2000:291 [ref. 25086], Hutchins 2001:19 [ref. 25847], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370], Hoese et al. 2006:386 [ref. 29035]). Current status: Valid as Alepocephalus triangularis Okamura & Kawanishi 1984. Alepocephalidae. Distribution: Western Pacific. Habitat: marine.

umbriceps, Alepocephalus Jordan [D. S.] & Thompson [W. F.] 1914:209, Pl. 24 (fig. 1) [Memoirs of the Carnegie Museum v. 6 (no. 4); ref. 2543] Aomori, Japan. Holotype (unique): AMNH 15455 [ex CM 6030a]. Type catalog: Henn 1928:52 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367] as missing. •Valid as Alepocephalus umbriceps Jordan & Thompson 1914 -- (Amaoka in Amaoka et al. 1983:75, 178 [ref. 8379], Amaoka in Masuda et al. 1984:42 [ref. 6441], Okamura in Okamura & Kitajima 1984:111, 328 [ref. 8057], Okamura & Machida 1986:28 [ref. 22278], Sazonov et al. 1993:63 [ref. 21498], Nakamura & Okamura in Okamura et al. 1995:73 [ref. 22531], Nakabo 2000:291 [ref. 25086], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:291 [ref. 26001], Shinohara et al. 2005:403 [ref. 28370]). Current status: Valid as Alepocephalus umbriceps Jordan & Thompson 1914. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

vaillanti, Bellocia Parr [A. E.] 1951:12 [American Museum Novitates No. 1531; ref. 3380] Off Morocco, depth 2600 meters. Holotype: MNHN 1886-0003. •Valid as Bellocia vaillanti Parr 1951 -- (Krefft 1973:88 [ref. 7166]). •Synonym of Bellocia koefoedi (Parr 1951) -- (Markle & Quéro in Whitehead et al. 1984:237 [ref. 13675], Markle & Sazonov 1990:254 [ref. 14215]). •Synonym of Narcetes erimelas Alcock 1890 -- (Sazonov 1999:733 [ref. 24845]). Current status: Synonym of Narcetes erimelas Alcock 1890. Alepocephalidae. Habitat: marine.

velaris, Asquamiceps Zugmayer [E.] 1911:2 [Bulletin de l'Institut Océanographique (Monaco) No. 193; ref. 6161] Off Portugal, 36°06'N, 9°00'W, station 3039, depth 0-3660 meters. Holotype (unique): MOM 0091-1198. Type catalog: Belloc 1949:5 [ref. 21544]. Species illustrated and described in more detail in Zugmayer 1911:10, Pl. 1 (fig. 4) [ref. 4846]. •Valid as Asquamiceps velaris Zugmayer 1911 -- (Krefft 1973:88 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:233 [ref. 13675], Markle 1986:219 [ref. 5687], Markle & Sazonov 1990:249 [ref. 14215], Sazonov & Markle 1999:1893 [ref. 24739], Love et al. 2005:30 [ref. 37547], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:75 [ref. 37250], Love et al. 2021:49 [ref. 39279], Page et al. 2023:61 [ref. 40505], Fricke et al. 2024:154 [ref. 41622]). Current status: Valid as Asquamiceps velaris Zugmayer 1911. Alepocephalidae. Distribution: Circumglobal. IUCN (2024): Not Assessed. Habitat: marine.

watasei, Aleposomus Tanaka [S.] 1909:14 [Journal of the College of Science. Imperial University, Tokyo v. 27 (art. 8); ref. 4322] Off Okinose, Sagami Bay, Japan, depth 700 fathoms. Holotype: ZUMT 2147. Paratypes: ZUMT 2148 (1). Type catalog: Aizawa et al. 2022:223 [ref. 39655]. The paratype is also the holotype of Rouleina tanakae. •Valid as Rouleina watasei (Tanaka 1909) -- (Machida in Masuda et al. 1984:43 [ref. 6441], Machida in Okamura & Kitajima 1984:139, 331 [ref. 8057], Okamura & Machida 1986:31 [ref. 22278], Sazonov 1999:437 [ref. 24874], Nakabo 2000:293 [ref. 25086], Nakabo 2002:293 [ref. 26001], Shinohara et al. 2005:404 [ref. 28370]). •Synonym of Rouleina squamilatera (Alcock 1898) -- (Sazonov & Williams 2001:S24 [ref. 26712]). Current status: Valid as Rouleina watasei (Tanaka 1909). Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

welshi, Bathytroctes Fowler [H. W.] 1934:249, Fig. 10 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Butung [Buton], Philippines, 5°35'00"S, 122°20'20"E, Albatross station D.5648, depth 559 fathoms. Holotype (unique): USNM 92332. •Synonym of Rouleina attrita (Vaillant 1888) -- (Sazonov & Williams 2001:S19 [ref. 26712]). Current status: Synonym of Rouleina attrita (Vaillant 1888). Alepocephalidae. Habitat: marine.

werneri, Conocara Nybelin [O.] 1946:1, Fig. 1 [Arkiv för Zoologi v. 38 B (no. 2) (for 1947); ref. 3233] Tropical eastern Atlantic, off Morocco, 35°43'N, 8°16'W, depth 2150-2300 meters. Holotype (unique): NHMG Pi. 1300. •Valid as Conocara werneri Nybelin 1946 -- (Krefft 1973:89 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:241 [ref. 13675], Sazonov 1997:787 [ref. 23745], Sazonov 2002:273 [ref. 26009], Sazonov et al. 2009:854 [ref. 30625], Williams & Stewart 2015:367 [ref. 34243], Hartel & Orrell 2016:1769 [ref. 34565], Carneiro et al. 2019:77 [ref. 37250]). Current status: Valid as Conocara werneri Nybelin 1946. Alepocephalidae. Distribution: Eastern Atlantic; southwestern Pacific: New Zealand. Habitat: marine.

wonderi, Narcetes Herre [A. W. C. T.] 1935:126 [Copeia 1935 (no. 3); ref. 2111] Sagami Sea, Japan. Holotype (unique): CAS-SU 13907. Type catalog: Böhlke 1953:13 [ref. 12291]. •Synonym of Narcetes lloydi Fowler 1934 -- (Sazonov 1998:452 [ref. 24862]). •Valid as Narcetes wonderi Herre 1935 -- (Nakabo 2000:292 [ref. 25086], Nakabo 2002:292 [ref. 26001]). Current status: Valid as Narcetes wonderi Herre 1935. Alepocephalidae. Distribution: Western North Pacific. Habitat: marine.

zugmayeri, Bathytroctes Fowler [H. W.] 1934:250, Fig. 13 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Gulf of Boni, Sulawesi, Indonesia, 3°42'00"S, 120°45'50"E, Albatross station D.5654, depth 805 fathoms. Holotype: USNM 92330. •Synonym of Bathytroctes squamosus Alcock 1890 -- (Markle & Sazonov 1990:253 [ref. 14215]). •Valid as Bathytroctes zugmayeri Fowler 1934 -- (Sazonov 1999:737 [ref. 24845], Sazonov & Williams 2001:S33 [ref. 26712], Hoese et al. 2006:388 [ref. 29035]). Current status: Valid as Bathytroctes zugmayeri Fowler 1934. Alepocephalidae. Distribution: Atlantic and Indo-West Pacific. Habitat: marine.