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 Platytroctidae: [ 49 ] records

abei, Sagamichthys Parr [A. E.] 1953:6, Fig. 1 [American Museum Novitates No. 1628; ref. 3382] Yodomi, Sagami Bay, Japan. Holotype (unique): ZUMT 47820. Type catalog: Aizawa et al. 2022:225 [ref. 39655]. •Valid as Sagamichthys abei Parr 1953 -- (Uyeno in Masuda et al. 1984:43 [ref. 6441], Matsui & Rosenblatt 1987:68 [ref. 10670], Matarese et al. 1989:77 [ref. 26885], Pequeño 1989:34 [ref. 14125], McAllister 1990:75 [ref. 14674], Matsui 1991:213 [ref. 23171], Sazonov et al. 1993:44 [ref. 21498], Nakabo 2000:289 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:160 [ref. 25968], Nakabo 2002:289 [ref. 26001], Love et al. 2005:32 [ref. 37547], Mundy 2005:162 [ref. 28379], Maslenikov et al. 2013:6 [ref. 37947], Burton & Lea 2019:39 [ref. 37205], Love et al. 2021:51 [ref. 39279], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Sagamichthys abei Parr 1953. Platytroctidae. Distribution: Pacific: Japan north to Kuril Islands; Hawaiian Ridge; Alaska (U.S.A.) south to Baja California (Mexico); Peru south to Chile. Habitat: marine.

acuticeps, Maulisia Sazonov [Yu. I.] 1976:23, Fig. 4 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Eastern Pacific, off northern Peru, 5°59'S, 84°59'W, depth 800-900 meters over 4000 meters. Holotype: ZIN 42294. Paratypes: ZIN 42295 (1). Additional material: CPTM 9-141 (1). •Valid as Maulisia acuticeps Sazonov 1976 -- (Matsui & Rosenblatt 1987:95 [ref. 10670], Quéro et al. 1990:267 [ref. 14648], Sazonov et al. 1993:53 [ref. 21498], Sazonov 1999:1895 [ref. 24740], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:162 [ref. 25968], Love et al. 2005:32 [ref. 37547], Paxton et al. 2006:381 [ref. 28995], Williams & Sazonov 2008:209 [ref. 30623], Parin et al. 2014:111 [ref. 33547], Orrell & Hartel 2016:1778 [ref. 34567], Love et al. 2021:50 [ref. 39279]). Current status: Valid as Maulisia acuticeps Sazonov 1976. Platytroctidae. Distribution: Circumglobal but scattered. Habitat: marine.

aequipinnis, Barbantus Matsui [T.] & Rosenblatt [R. H.] 1987:111, Fig. 28b [Bulletin of the Scripps Institution of Oceanography of the University of California v. 26; ref. 10670] Sulu Sea, western Pacific, 7°54'N, 121°30'E, 8000 meters wire out. Holotype (unique): ZMUC P17287. •Valid as Matsuichthys aequipinnis (Matsui & Rosenblatt 1987) -- (Sazonov 1992:3 [ref. 21036], Sazonov 1999:1895 [ref. 24740]). Current status: Valid as Matsuichthys aequipinnis (Matsui & Rosenblatt 1987). Platytroctidae. Distribution: Western Pacific. Habitat: marine.

anomala, Holtbyrnia Krefft [G.] 1980:55, Fig. 1 [Archiv für Fischereiwissenschaft v. 31 (no. 2); ref. 8703] Greenland Norwegian Zone, 61°21'N, 32°20'W, Walther Herwig station 682/73, depth 700-1000 meters. Holotype: ISH 379-1973a. Paratypes: ISH 379-1973b,c (2), 572-1973 (4), 612-1973 (3), 691-1973 (2), 1005-1973 (1), 297-1975 (4), 1983-1979 (1). •Valid as Holtbyrnia anomala Krefft 1980 -- (Quéro et al. in Whitehead et al. 1984:259 [ref. 13675], Matsui & Rosenblatt 1987:62 [ref. 10670], Quéro et al. 1990:266 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:81 [ref. 22531] with genus as Holtobyrnia, Swinney 1996:1 [ref. 25514], Carter & Hartel 2003:880 [ref. 27000], Møller et al. 2010:25 [ref. 31169], Afonso et al. 2016:16, 170 [ref. 36199], Orrell & Hartel 2016:1776 [ref. 34567], Carneiro et al. 2019:80 [ref. 37250], Reiner 2019:83 [ref. 38139], Sutton et al. 2020:48 [ref. 37832], Page et al. 2023:62 [ref. 40505], Garcia et al. 2024:[2] [ref. 41633]). Current status: Valid as Holtbyrnia anomala Krefft 1980. Platytroctidae. Distribution: Atlantic: Greenland south to Tristan da Cunha. Habitat: marine.

apus, Platytroctes 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] Mid-Atlantic, 1°N, 26°36'W, Challenger station 107, depth 1500 fathoms. Holotype (unique): BMNH 1887.12.7.235. On p. 22 of separate. See also Günther 1887:249, Pl. 58 (fig. A) [ref. 2013]. •Valid as Platytroctes apus Günther 1878 -- (Krefft 1973:98 [ref. 7166], Shimizu in Uyeno et al. 1983:128 [ref. 14275], Quéro et al. in Whitehead et al. 1984:264 [ref. 13675], Matsui & Rosenblatt 1987:104 [ref. 10670], Paxton et al. 1989:213 [ref. 12442], Pequeño 1989:34 [ref. 14125], Quéro et al. 1990:272 [ref. 14648], McEachran & Fechhelm 1998:407 [ref. 23897], Sazonov 1999:1895 [ref. 24740], Pakhorukov 1999:656 [ref. 24883], Hutchins 2001:19 [ref. 25847], Carter & Hartel 2003:880 [ref. 27000], Paxton et al. 2006:382 [ref. 28995], Hartel et al. 2008:322 [ref. 29890], Møller et al. 2010:26 [ref. 31169], Fricke et al. 2011:356 [ref. 31242], Williams & Stewart 2015:352 [ref. 34243], Afonso et al. 2016:16, 252 [ref. 36199], Orrell & Hartel 2016:1781 [ref. 34567], Robertson et al. 2017:42 [ref. 35676], Carneiro et al. 2019:81 [ref. 37250], Sutton et al. 2020:45 [ref. 37832], Love et al. 2021:51 [ref. 39279], Fermon et al. 2022:133 [ref. 39448], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Platytroctes apus Günther 1878. Platytroctidae. Distribution: Circumglobal in tropical and temperate seas (including Gulf of Mexico and Caribbean Sea). IUCN (2015): Least Concern. Habitat: marine.

argipalla, Maulisia Matsui [T.] & Rosenblatt [R. H.] 1979:65, Figs. 2b, 3c-d, 4 [Bulletin of Marine Science v. 29 (no. 1); ref. 7024] San Clemente basin, North Pacific, 32°14.5'N, 117°57.7'W, depth about 1000 meters. Holotype: SIO 72-392. Paratypes: ISH 2199-1968 (1); SIO 65-444 (1), 67-104 (1), 70-8 (1). •Valid as Maulisia argipalla Matsui & Rosenblatt 1979 -- (Quéro et al. in Whitehead et al. 1984:261 [ref. 13675], Matsui & Rosenblatt 1987:92 [ref. 10670], Matarese et al. 1989:77 [ref. 26885], Pequeño 1989:34 [ref. 14125], McAllister 1990:75 [ref. 14674], Quéro et al. 1990:268 [ref. 14648], Castro-Aguirre 1991:73 [ref. 19554], Sazonov et al. 1993:55 [ref. 21498], Nakamura & Okamura in Okamura et al. 1995:83 [ref. 22531], Sazonov 1999:1895 [ref. 24740], John et al. 2000:117 [ref. 25111], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:161 [ref. 25968], Love et al. 2005:32 [ref. 37547], Mundy 2005:161 [ref. 28379], Parin et al. 2014:111 [ref. 33547], Orrell & Hartel 2016:1778 [ref. 34567], Carneiro et al. 2019:80 [ref. 37250], Sutton et al. 2020:51 [ref. 37832], Love et al. 2021:50 [ref. 39279], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Maulisia argipalla Matsui & Rosenblatt 1979. Platytroctidae. Distribution: Circumglobal (including Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

bauchoti, Holtbyrnia Mayer [R. F.] & Nalbant [T. T.] 1972:160, Fig. 2 [Revue Roumaine de Biologie, Série de Zoologie v. 17 (no. 3); ref. 719] Pacific, Peru Trench. Holotype (unique): MGAB 170. •Mentioned under Holtbyrnia latifrons Sazonov 1976 -- (Mecklenburg et al. 2002:163 [ref. 25968]). Platytroctidae. Habitat: marine.

bythios, Tragularius Matsui [T.] & Rosenblatt [R. H.] 1987:81, Fig. 24e [Bulletin of the Scripps Institution of Oceanography of the University of California v. 26; ref. 10670] Southeastern Indian Ocean, 31°33.2'S, 95°40'E, bottom trawl at 1420 meters depth. Holotype (unique): ZMMU P-16995. Paratypes: SIO 61-31 (1), 61-46 (1), 70-336 (1). Type catalog: Vasil'eva et al. 2001:37-38 [ref. 25714]. Additional specimens (3 juveniles) included with question in original description and are therefore not types. •Valid as Mentodus bythios (Matsui & Rosenblatt 1987). Current status: Valid as Mentodus bythios (Matsui & Rosenblatt 1987). Platytroctidae. Distribution: Indian Ocean. Habitat: marine.

calvala, Searsia Matsui [T.] & Rosenblatt [R. H.] 1979:74, Figs. 5c, 8c, 10 [Bulletin of Marine Science v. 29 (no. 1); ref. 7024] Halmahera Sea, Indonesia, Alpha Helix station 121, 0°41.7'S, 128°55.7'E, depth 1000-1400 meters. Holotype: SIO 77-47. Paratypes: SIO 77-47 (3). Additional material: SIO (7). •Valid as Searsioides calvala (Matsui & Rosenblatt 1979) -- (Matsui & Rosenblatt 1987:102 [ref. 10670], Sazonov 1999:1895 [ref. 24740]). Current status: Valid as Searsioides calvala (Matsui & Rosenblatt 1979). Platytroctidae. Distribution: Western Pacific. Habitat: marine.

campbelli, Normichthys Lavenberg [R. J.] 1965:22, Fig. 1 [Bulletin of the Southern California Academy of Sciences v. 64 (pt 1); ref. 9224] Outer Santa Barbara Passage, California, U.S.A., about 33°18'N, 118°39'W, depth to 900 meters. Holotype: LACM 7068. Paratypes: SIO 56-76 (1), 56-79 (1), 57-46 (1). •Synonym of Mirorictus taningi Parr 1947 -- (Matsui & Rosenblatt 1987:74 [ref. 10670], Fricke et al. 2024:156 [ref. 41622]). Current status: Synonym of Mirorictus taningi Parr 1947. Platytroctidae. Habitat: marine.

conocephala, Holtbyrnia Sazonov [Yu. I.] 1976:18 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Western Pacific, 7°49'S, 120°10"E, depth 0-1500 meters over 4700 meters. Holotype: ZIN 42627. Paratypes: (1). Also in Sazonov 1976:68 [ref. 19553]. •Synonym of Holtbyrnia innesi (Fowler 1934) -- (Sazonov et al. 1993:46 [ref. 21498], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:164 [ref. 25968]). •Valid as Holtbyrnia conocephala Sazonov 1976 -- (Matsui & Rosenblatt 1987:61 [ref. 10670], Sazonov 1999:1895 [ref. 24740], Carter & Hartel 2003:880 [ref. 27000]). Current status: Valid as Holtbyrnia conocephala Sazonov 1976. Platytroctidae. Distribution: Western Pacific. Habitat: marine.

crassus, Mentodus Parr [A. E.] 1960:89, Figs. 62-63 [Dana Report No. 51; ref. 3384] Colombian coast, 6°40'N, 80°47'W, depth about 2250 meters. Holotype (unique): ZMUC P1748. Type catalog: Nielsen 1974:11 [ref. 9588]. •Valid as Tragularius crassus (Parr 1960) -- (Matsui & Rosenblatt 1987:82 [ref. 10670]). •Valid as Mentodus crassus Parr 1960 -- (Quéro et al. 1990:269 [ref. 14648], Orrell & Hartel 2016:1779 [ref. 34567]). Current status: Valid as Mentodus crassus Parr 1960. Platytroctidae. Distribution: Cosmopolitan. Habitat: marine.

curvifrons, Bathytroctes Roule [L.] & Angel [F.] 1931:6 [Bulletin de l'Institut Océanographique (Monaco) No. 581; ref. 3825] West of Gulf of Gascony, North Atlantic, 46°N, 10°W, station 3318, depth 0-4500 meters. Holotype (unique): MOM 0091-1517. Type catalog: Belloc 1949:5 [ref. 21544]. Also appeared in Roule & Angel 1933:6, Pl. 1 (fig. 2) [ref. 3827]. •Valid as Barbantus curvifrons (Roule & Angel 1931) -- (Krefft 1973:95 [ref. 7166], Quéro et al. in Whitehead et al. 1984:258 [ref. 13675], Matsui & Rosenblatt 1987:108 [ref. 10670], Pequeño 1989:33 [ref. 14125], Quéro et al. 1990:265 [ref. 14648], McEachran & Fechhelm 1998:404 [ref. 23897], Sazonov 1999:1895 [ref. 24740], Sazonov & Merrett 2001:S38 [ref. 26652], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:180 [ref. 27076], Møller et al. 2010:25 [ref. 31169], Orrell & Hartel 2016:1776 [ref. 34567], Robertson et al. 2017:42 [ref. 35676], Fricke et al. 2018:63 [ref. 35805], Carneiro et al. 2019:80 [ref. 37250], Reiner 2019:84 [ref. 38139], Sutton et al. 2020:45 [ref. 37832], 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 Barbantus curvifrons (Roule & Angel 1931). Platytroctidae. Distribution: Circumglobal in tropical and temperate seas (including Gulf of Mexico and southern Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

cyanocephala, Paraholtbyrnia Krefft [G.] 1967:2, Fig. 1 [Archiv für Fischereiwissenschaft v. 18 (no. 1); ref. 2687] South of Canary Islands, central Atlantic, 23°50'N, 20°08'W, depth 500-220 meters. Holotype: ISH 194-1966. Paratypes: ISH 294-1966 a-d (4), 332-1966 a-c (3), 441-1966 (1), 494-1966 a-b (2). Type catalog: Krefft 1978:8 [ref. 9884]. •Valid as Paraholtbyrnia cyanocephala Krefft 1867 -- (Matsui & Rosenblatt 1987:52 [ref. 10670], Quéro et al. 1990:271 [ref. 14648]). •Valid as Holtbyrnia cyanocephala (Krefft 1967) -- (Sazonov 1999:1895 [ref. 24740], Orrell & Hartel 2016:1777 [ref. 34567], Sutton et al. 2020:49 [ref. 37832]). Current status: Valid as Holtbyrnia cyanocephala (Krefft 1967). Platytroctidae. Distribution: North Atlantic; eastern Atlantic; Indian Ocean. Habitat: marine.

elongatus, Barbantus Krefft [G.] 1970:22, Fig. 1-4 [Archiv für Fischereiwissenschaft v. 21 (no. 1); ref. 7757] Central Atlantic, 3°00'S, 20°16'W, depth about 2000 meters. Holotype: ISH 874-1968. Paratypes: ISH 126-1967 (1). Type catalog: Krefft 1978:8 [ref. 9884]. •Valid as Pectinantus elongatus (Krefft 1970) -- (Sazonov & Merrett 2001:S39 [ref. 26652]). •Valid as Barbantus elongatus Krefft 1970 -- (Matsui & Rosenblatt 1987:110 [ref. 10670], Quéro et al. 1990:265 [ref. 14648], Carter & Hartel 2003:880 [ref. 27000], Wirtz et al. 2014:4 [ref. 33516], Orrell & Hartel 2016:1776 [ref. 34567], Brown et al. 2019:158 [ref. 36444]). Current status: Valid as Barbantus elongatus Krefft 1970. Platytroctidae. Distribution: Eastern and central Atlantic. Habitat: marine.

eubranchus, Pellisolus Matsui [T.] & Rosenblatt [R. H.] 1987:87, Fig. 25e [Bulletin of the Scripps Institution of Oceanography of the University of California v. 26; ref. 10670] Off California, U.S.A. [eastern Pacific], 28°25'N, 118°11.5'W, 5500 meters wire out. Holotype: SIO 64-39. Paratypes: SIO 59-200 (1), 67-101 (1). Additional material: SIO 60-287 (1, stained), 66-422 (1), 67-49 (1), 68-492 (1). •Valid as Pellisolus eubranchus Matsui & Rosenblatt 1987 -- (Matarese et al. 1989:77 [ref. 26885]). •Valid as Mentodus eubranchus (Matsui & Rosenblatt 1987) -- (Sazonov & Miya 1996:88 [ref. 22116], Love et al. 2005:32 [ref. 37547], Mundy 2005:161 [ref. 28379], Burton & Lea 2019:39 [ref. 37205], Love et al. 2021:50 [ref. 39279], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Mentodus eubranchus (Matsui & Rosenblatt 1987). Platytroctidae. Distribution: Central Pacific: Hawaiian Ridge; eastern Pacific: Oregon (U.S.A.) south to Oaxaca (Mexico), including Gulf of California (Mexico). Habitat: marine.

facilis, Pellisolus Parr [A. E.] 1951:18 (19) [American Museum Novitates No. 1531; ref. 3380] Gulf of Panama, Pacific, 6°48'N, 80°33'W, depth about 1800 meters. Holotype (unique): ZMUC P1764. Type catalog: Nielsen 1974:11 [ref. 9588]. •Valid as Pellisolus facilis Parr 1951 -- (Pequeño 1989:34 [ref. 14125], Quéro et al. 1990:271 [ref. 14648], Swinney 1996:1 [ref. 25514], Carter & Hartel 2003:880 [ref. 27000]). •Valid as Mentodus facilis (Parr 1951) -- (Sazonov & Miya 1996:88 [ref. 22116], Pequeño 1997:80 [ref. 23536], McEachran & Fechhelm 1998:406 [ref. 23897], Sazonov 1999:1895 [ref. 24740], Nakabo 2000:289 [ref. 25086], Sazonov & Merrett 2001:S43 [ref. 26652], Nakabo 2002:289 [ref. 26001], Orrell & Hartel 2016:1779 [ref. 34567], Carneiro et al. 2019:81 [ref. 37250], Love et al. 2021:50 [ref. 39279], Fermon et al. 2022:133 [ref. 39448] with question, Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Mentodus facilis (Parr 1951). Platytroctidae. Distribution: Circumglobal (including Gulf of Mexico). IUCN (2015): Least Concern. Habitat: marine.

gracilis, Sagamichthys Sazonov [Yu. I.] 1978:101, Fig. 1 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 111; ref. 8883] Southwestern Indian Ocean, Saya de Malha Bank, 8°42.7'S, 60°23'E, depth 400-600 meters over 658-722 meters. Holotype: ZMMU P-14184. Paratypes: ZMMU P-14185 (2). Type catalog: Vasil'eva et al. 2001:38 [ref. 25714]. •Valid as Sagamichthys gracilis Sazonov 1978 -- (Matsui & Rosenblatt 1987:69 [ref. 10670], Sazonov 1999:1895 [ref. 24740]). Current status: Valid as Sagamichthys gracilis Sazonov 1978. Platytroctidae. Distribution: Indian Ocean. Habitat: marine.

herringi, Normichthys Sazonov [Yu. I.] & Merrett [N. R.] 2001:S43, Fig. 2 [Journal of Ichthyology v. 41 (suppl. 1); ref. 26652] Arabian Sea, 24°12.6'N, 58°35.4'E, caught bathypelagically over depth of 1100-1190 meters. Holotype: BMNH 1998.8.9.232. Paratypes: BMNH 1998.8.9.239 (1). •Valid as Normichthys herringi Sazonov & Merrett 2001. Current status: Valid as Normichthys herringi Sazonov & Merrett 2001. Platytroctidae. Distribution: Arabian Sea. Habitat: marine.

innesi, Bathytroctes Fowler [H. W.] 1934:252, Fig. 14 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Northwestern Atlantic [Heezen Plateau], 38°29'30"N, 70°54'30"W, Albatross station 2715, depth 1753 fathoms. Holotype: USNM 93174. •Valid as Holtbyrnia innesi (Fowler 1934) -- (Sazonov & Trunov 1978:90 [ref. 8882], Matsui & Rosenblatt 1987:58 [ref. 10670], Matarese et al. 1989:77 [ref. 26885], McAllister 1990:73 [ref. 14674], Quéro et al. 1990:266 [ref. 14648], Sazonov et al. 1993:45 [ref. 21498], McEachran & Fechhelm 1998:405 [ref. 23897], Sazonov 1999:1895 [ref. 24740], Nakabo 2000:289 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:164 [ref. 25968], Nakabo 2002:289 [ref. 26001], Moore et al. 2003:180 [ref. 27076], Fedorov et al. 2003:30 [ref. 27579], Love et al. 2005:31 [ref. 37547], Mundy 2005:161 [ref. 28379], Parin et al. 2014:110 [ref. 33547], Orrell & Hartel 2016:1777 [ref. 34567], Carneiro et al. 2019:80 [ref. 37250], Sutton et al. 2020:49 [ref. 37832], Love et al. 2021:50 [ref. 39279], 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 Holtbyrnia innesi (Fowler 1934). Platytroctidae. Distribution: Circumglobal; in eastern Pacific from British Columbia (Canada) south to Peru. Habitat: marine.

intermedius, Sagamichthys Sazonov [Yu. I.] 1976:15, Fig. 2 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Eastern Pacific, 17°46'S, 71°45'W, depth 0-720 meters. Holotype (unique): ZMMU P-13716. Type catalog: Vasil'eva et al. 2001:37 [ref. 25714]. •Valid as Holtbyrnia intermedia (Sazonov 1976) -- (Matsui & Rosenblatt 1987:64 [ref. 10670], Pequeño 1989:33 [ref. 14125]). Current status: Valid as Holtbyrnia intermedia (Sazonov 1976). Platytroctidae. Distribution: Southeastern Pacific. Habitat: marine.

isaacsi, Maulisia (Aphanichthys) Matsui [T.] & Rosenblatt [R. H.] 1987:95, Fig. 26e [Bulletin of the Scripps Institution of Oceanography of the University of California v. 26; ref. 10670] Galápagos Islands, 1°43'S, 89°52'W, 2500 meters wire out. Holotype (unique): SIO 52-404. •Possibly a synonym of Maulisia acuticeps Sazonov 1976 -- (Mecklenburg et al. 2002:162 [ref. 25968]). •Valid as Maulisia isaacsi Matsui & Rosenblatt 1987 -- (Sazonov 1999:1895 [ref. 24740], Grove et al. 2022:16 [ref. 41326]). Current status: Valid as Maulisia isaacsi Matsui & Rosenblatt 1987. Platytroctidae. Distribution: Eastern Pacific: Galapagos Islands (Ecuador). IUCN (2023): Data Deficient. Habitat: marine.

islandica, Normichthys operosa Parr [A. E.] 1960:94, Figs. 65a-c, 66 (left) [Dana Report No. 51; ref. 3384] West of Vikural, Iceland, about 66°N, 26°-27°W. Holotype: ZMUC P1765. Type catalog: Nielsen 1974:11 [ref. 9588]. •Synonym of Normichthys operosus Parr 1951 -- (Krefft 1973:97 [ref. 7166], Matsui & Rosenblatt 1987:98 [ref. 10670], Quéro et al. 1990:270 [ref. 14648]). Current status: Synonym of Normichthys operosus Parr 1951. Platytroctidae. Habitat: marine.

koefoedi, Searsia Parr [A. E.] 1937:16, Fig. 4 [Bulletin of the Bingham Oceanographic Collection Yale University v. 3 (art. 7); ref. 3376] Tongue of the Ocean, Bahamas, 23°39'25"N, 76°41'00"W, 7000 feet wire out. Holotype: YPM 3720. Paratypes: YPM 3721 (1), 3723 (1). Type catalog: Moore & Boardman 1991:25 [ref. 16741]. •Valid as Searsia koefoedi Parr 1937 -- (Krefft 1973:95 [ref. 7166], Quéro et al. in Whitehead et al. 1984:266 [ref. 13675], Matsui & Rosenblatt 1987:71 [ref. 10670], Pequeño 1989:34 [ref. 14125] as kefoedi, Quéro et al. 1990:273 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:86 [ref. 22531], Santos et al. 1997:29 [ref. 23531], Arruda 1997:29 [ref. 24952], Porteiro et al. 1999:27 [ref. 24203], Sazonov 1999:1895 [ref. 24740], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:182 [ref. 27076], Møller et al. 2010:26 [ref. 31169], Orrell & Hartel 2016:1782 [ref. 34567], Carneiro et al. 2019:82 [ref. 37250], Sutton et al. 2020:46 [ref. 37832], Fermon et al. 2022:133 [ref. 39448] possible, Page et al. 2023:63 [ref. 40505], Reading & Horton 2023:9 [ref. 41317]). Current status: Valid as Searsia koefoedi Parr 1937. Platytroctidae. Distribution: Circumglobal in tropical and temperate seas. Habitat: marine.

kopua, Bathytroctes Phillipps [W. J.] 1942:49, Pl. 16 (fig. 1) [Records of the Dominion Museum (Wellington) v. 1 (no. 1); ref. 13216] Middle bank, Cook Strait, New Zealand, depth 100 fathoms (stomach content). Holotype (unique): NMNZ P.826. Type catalog: Hardy 1990:7 [ref. 18942]. •Valid as Persparsia kopua (Phillipps 1942) -- (Sazonov & Trunov 1978:87 [ref. 8882], Matsui & Rosenblatt 1986:225 [ref. 5688], Matsui & Rosenblatt 1987:49 [ref. 10670], Paxton et al. 1989:213 [ref. 12442], Paulin et al. 1989:87 [ref. 24556], Miya in Amaoka et al. 1990:109 [ref. 16024], Gomon et al. 1994:245 [ref. 22532], Paxton et al. 2006:381 [ref. 28995], Williams & Sazonov 2008:210 [ref. 30623], Williams & Stewart 2015:351 [ref. 34243], Poulsen 2018:[2] [ref. 36469], Carneiro et al. 2019:81 [ref. 37250], Sutton et al. 2020:47 [ref. 37832]). Current status: Valid as Persparsia kopua (Phillipps 1942). Platytroctidae. Distribution: Southern circumglobal. Habitat: marine.

kulikovi, Holtbyrnia Sazonov [Yu. I.] 1976:19 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Bering Sea, 58°15'N, 175°20'W, depth 0-570 meters. Holotype: ZIN 37843. Paratypes: (1). Appeared first as name only in Federov 1973:48 [ref. 5567]. Also appeared in Sazonov 1976:68 [ref. 19553]. •Synonym of Holtbyrnia innesi (Fowler 1934) -- (Matsui & Rosenblatt 1987:58 [ref. 10670], Sazonov et al. 1993:46 [ref. 21498], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:164 [ref. 25968], Mundy 2005:161 [ref. 28379]). Current status: Synonym of Holtbyrnia innesi (Fowler 1934). Platytroctidae. Habitat: marine.

laticauda, Holtbyrnia Sazonov [Yu. I.] 1976:17 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Tasman Sea, southern Pacific, 34°58'S, 168°33'E, depth 0-1300 meters. Holotype (unique): ZIN 42629. Also appeared in Sazonov 1976:68 [ref. 19553]. •Valid as Holtbyrnia laticauda Sazonov 1976 -- (Sazonov & Trunov 1978:88 [ref. 8882], Matsui & Rosenblatt 1986:224 [ref. 5688], Matsui & Rosenblatt 1987:61 [ref. 10670], Paxton et al. 1989:212 [ref. 12442], Shcherbachev et al. 1989:165 [ref. 36134], Paxton et al. 2006:381 [ref. 28995], Williams & Sazonov 2008:208 [ref. 30623], Williams & Stewart 2015:348 [ref. 34243], Sutton et al. 2020:50 [ref. 37832], 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 Holtbyrnia laticauda Sazonov 1976. Platytroctidae. Distribution: Southern circumglobal; northeastern Pacific: Baja California (Mexico). Habitat: marine.

latifrons, Holtbyrnia Sazonov [Yu. I.] 1976:20, Fig. 3 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Eastern Pacific, 5°59'S, 84°59'W, depth 800-900 meters, over 4000 meters. Holotype: ZIN 42628. Paratypes: (11) not at ZIN. Also appeared in Sazonov 1976:68 [ref. 19553]. •Valid as Holtbyrnia latifrons Sazonov 1976 -- (Matsui & Rosenblatt 1987:60 [ref. 10670], Matarese et al. 1989:77 [ref. 26885], Pequeño 1989:34 [ref. 14125], Matsui 1991:210 [ref. 23171], Sazonov et al. 1993:49 [ref. 21498], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:163 [ref. 25968], Love et al. 2005:31 [ref. 37547], Parin et al. 2014:111 [ref. 33547], Burton & Lea 2019:39 [ref. 37205], Love et al. 2021:50 [ref. 39279], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:62 [ref. 40505], Fricke et al. 2024:155 [ref. 41622]). Current status: Valid as Holtbyrnia latifrons Sazonov 1976. Platytroctidae. Distribution: Eastern Pacific: western Bering Sea; Gulf of Alaska (U.S.A.) south to Chile, including Galapagos Islands (Ecuador). Habitat: freshwater, marine.

longirostris, Pellisolus Sazonov [Yu. I.] & Golovan [G. A.] 1976:9, Fig. 2 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8552] Northeastern Atlantic, 12°00'N, 17°32'W, depth 1300-1400 meters. Holotype (unique): ZIN 42296. •Valid as Pellisolus longirostris Sazonov & Golovan 1976 -- (Matsui & Rosenblatt 1987 [ref. 10670], Quéro et al. 1990:272 [ref. 14648]). •Valid as Mentodus longirostris (Sazonov & Golovan 1976) -- (Sazonov 1999:1895 [ref. 24740], Sazonov & Merrett 2001:S41 [ref. 26652], Orrell & Hartel 2016:1780 [ref. 34567]). Current status: Valid as Mentodus longirostris (Sazonov & Golovan 1976). Platytroctidae. Distribution: Atlantic; possibly Indian Ocean. Habitat: marine.

macrops, Holtbyrnia Maul [G. E.] 1957:11, Figs. 1c, 2-3 [Boletim do Museu Municipal do Funchal No. 10 (art. 25); ref. 12154] Off Madeira (stomach content). Holotype (unique): MMF 6313. •Valid as Holtbyrnia macrops Maul 1957 -- (Krefft 1973:96 [ref. 7166], Matsui & Rosenblatt 1987:59 [ref. 10670], Quéro et al. 1990:266 [ref. 14648], Pequeño 1997:80 [ref. 23536], Arruda 1997:29 [ref. 24952], Meléndez 1999:140 [ref. 24261], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:180 [ref. 27076], Bañon et al. 2010:7 [ref. 31029], Møller et al. 2010:25 [ref. 31169], Orrell & Hartel 2016:1777 [ref. 34567], Carneiro et al. 2019:80 [ref. 37250], Sutton et al. 2020:50 [ref. 37832], Bañón & Maño 2021:52 [ref. 38883], Fermon et al. 2022:132 [ref. 39448], Page et al. 2023:63 [ref. 40505]). Current status: Valid as Holtbyrnia macrops Maul 1957. Platytroctidae. Distribution: North Atlantic: Greenland; eastern Atlantic. Habitat: marine.

mauli, Maulisia Parr [A. E.] 1960:82, Figs. 56-60 [Dana Report No. 51; ref. 3384] Off Madeira (stomach content). Holotype (unique): MMF 9594. •Valid as Maulisia mauli Parr 1960 -- (Krefft 1973:96 [ref. 7166], Sazonov & Trunov 1978:95 [ref. 8882], Shimizu in Uyeno et al. 1983:129 [ref. 14275], Quéro et al. in Whitehead et al. 1984:261 [ref. 13675], Matsui & Rosenblatt 1987:91 [ref. 10670], Paxton et al. 1989:212 [ref. 12442], Pequeño 1989:34 [ref. 14125], Quéro et al. 1990:268 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:83 [ref. 22531], Fricke 1999:86 [ref. 24106], Sazonov 1999:1895 [ref. 24740], Hutchins 2001:19 [ref. 25847], Carter & Hartel 2003:880 [ref. 27000], Paxton et al. 2006:381 [ref. 28995], Møller et al. 2010:26 [ref. 31169], Afonso et al. 2016:16, 220 [ref. 36199], Orrell & Hartel 2016:1779 [ref. 34567], Carneiro et al. 2019:80 [ref. 37250], Iglésias et al. 2020:289 [ref. 37987], Klautau et al. 2020:7 [ref. 37903], Sutton et al. 2020:51 [ref. 37832], Iglésias et al. 2021:170 [ref. 38818], Fermon et al. 2022:132 [ref. 39448], Page et al. 2023:63 [ref. 40505]). Current status: Valid as Maulisia mauli Parr 1960. Platytroctidae. Distribution: Circumglobal in tropical and temperate seas. Habitat: marine.

melanocephalus, Bathytroctes Vaillant [L. L.] 1888:155, Pl. 11 (figs. 3-3b) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Off Morocco, Soudan, Banc d'Arguin, depth 1435-2500 meters, eastern Atlantic. Lectotype: MNHN 1885-0167. Paralectotypes: MNHN 1886-0003 (1), plus 2 lost specimens. Type catalog: Bertin 1940:274 [ref. 293]. Figured paralectotype referred to Bellocia vaillanti Parr 1951 -- (Krefft 1973:88 [ref. 7166]). •Valid as Holtbyrnia melanocephala (Vaillant 1888) -- (Sazonov & Trunov 1978:91 [ref. 8882], Carneiro et al. 2019:80 [ref. 37250]). Current status: Valid as Holtbyrnia melanocephala (Vaillant 1888). Platytroctidae. Distribution: Eastern Atlantic: off Morocco. Habitat: marine.

mesalirus, Tragularius Matsui [T.] & Rosenblatt [R. H.] 1987:83, Fig. 24b [Bulletin of the Scripps Institution of Oceanography of the University of California v. 26; ref. 10670] Eastern Atlantic, Walther Herwig station 486/71, 7°32'N, 20°54'W, depth 0-1300 meters. Holotype: ISH 2488-1971. Paratypes: ISH 3244-1971 (1), 3246-1971 (1). Type catalog: Krefft 1987:76-77 [ref. 20751]. •Valid as Tragularius mesalirus Matsui & Rosenblatt 1987 -- (Quéro et al. 1990:274 [ref. 14648], Williams & Stewart 2015:353 [ref. 34243]). •Valid as Mentodus mesalirus (Matsui & Rosenblatt 1987) -- (Sazonov 1999:1895 [ref. 24740], Mundy 2005:161 [ref. 28379], Orrell & Hartel 2016:1780 [ref. 34567], Carneiro et al. 2019:81 [ref. 37250]). Current status: Valid as Mentodus mesalirus (Matsui & Rosenblatt 1987). Platytroctidae. Distribution: Circumglobal. Habitat: marine.

microlepis, Maulisia Sazonov [Yu. I.] & Golovan [G. A.] 1976:10, Fig. 3 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8552] Southeastern Atlantic, 27°13'S, 14°00'E, depth 1150-0 meters. Holotype: ZIN 42292. Paratypes: ZIN 42293 (1). •Possibly a synonym of Maulisia acuticeps Sazonov 1976 -- (Mecklenburg et al. 2002:162 [ref. 25968]). •Valid as Maulisia microlepis Sazonov & Golovan 1976 -- (Sazonov & Trunov 1978:87 [ref. 8882], Quéro et al. in Whitehead et al. 1984:262 [ref. 13675], Matsui & Rosenblatt 1986:224 [ref. 5688], Matsui & Rosenblatt 1987:94 [ref. 10670], Quéro et al. 1990:269 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:82 [ref. 22531], Hutchins 2001:19 [ref. 25847], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:181 [ref. 27076], Paxton et al. 2006:381 [ref. 28995], Williams & Sazonov 2008:210 [ref. 30623], Møller et al. 2010:26 [ref. 31169], Mecklenburg et al. 2011:117 [ref. 31212], Williams & Stewart 2015:349 [ref. 34243], Afonso et al. 2016:16, 221 [ref. 36199], Orrell & Hartel 2016:1778 [ref. 34567], Vieira et al. 2016:[5] [ref. 34869], Mecklenburg et al. 2018:72 [ref. 36370], Carneiro et al. 2019:80 [ref. 37250], Iglésias et al. 2020:290 [ref. 37987], Sutton et al. 2020:50 [ref. 37832], Page et al. 2023:63 [ref. 40505]). Current status: Valid as Maulisia microlepis Sazonov & Golovan 1976. Platytroctidae. Distribution: Circumglobal. Habitat: marine.

mirus, Platytroctegen Lloyd [R. E.] 1909:145 [Memoirs of the Indian Museum v. 2 (no. 3); ref. 2814] Laccadive Sea, Bay of Bengal, 12°18'46"N, 74°05'29"E, Investigator station 371, depth 500 fathoms. Holotype (unique): ZSI F2382/1. Type catalog: Menon & Yazdani 1968:100 [ref. 20743], Menon & Rama-Rao 1975:33 [ref. 22148]. Figured in Lloyd 1909: Pl. 44 (fig. 1, 1a) [ref. 20539]. •Valid as Platytroctes mirus (Lloyd 1909) -- (Krefft 1973:98 [ref. 7166], Quéro et al. in Whitehead et al. 1984:264 [ref. 13675], Matsui & Rosenblatt 1987:106 [ref. 10670]). •Valid as Platytroctegen mirus Lloyd 1909 -- (Sazonov & Merrett 2001:S38 [ref. 26652], Senda et al. 2020:110 [ref. 37789]). Current status: Valid as Platytroctes mirus (Lloyd 1909). Platytroctidae. Distribution: Circumglobal. Habitat: marine.

multispinus, Searsioides Sazonov [Yu. I.] 1977:56, 1 fig. [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 107; ref. 3905] Western Pacific, 7°55'N, 142°21'E, depth 1500-0 meters. Holotype: ZIN 42626. Paratypes: IOAN (1), ZMMU P-16906 (1). Type catalog: Vasil'eva et al. 2001:38 [ref. 25714]. •Valid as Searsioides multispinus Sazonov 1977 -- (Matsui & Rosenblatt 1987:101 [ref. 10670], Sazonov 1999:1895 [ref. 24740]). Current status: Valid as Searsioides multispinus Sazonov 1977. Platytroctidae. Distribution: Western Pacific. Habitat: marine.

operosa, Normichthys Parr [A. E.] 1951:(17) 19 [American Museum Novitates No. 1531; ref. 3380] Off western Africa, 18°22'N, 18°14'W, depth about 1250 meters. Holotype (unique): ZMUC P1763. Type catalog: Nielsen 1974:11 [ref. 9588]. Originally as operosa; derivation of name not given. •Valid as Normichthys operosus Parr 1951 -- (Krefft 1973:97 [ref. 7166], Sazonov & Trunov 1978:96 [ref. 8882], Quéro et al. in Whitehead et al. 1984:263 [ref. 13675], Matsui & Rosenblatt 1987:98 [ref. 10670], Scott & Scott 1988:189 [ref. 25518], McAllister 1990:75 [ref. 14674], Quéro et al. 1990:270 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:84 [ref. 22531], Santos et al. 1997:29 [ref. 23531], Arruda 1997:29 [ref. 24952], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:181 [ref. 27076], Møller et al. 2010:26 [ref. 31169], Afonso et al. 2016:16, 233 [ref. 36199], Orrell & Hartel 2016:1781 [ref. 34567], Carneiro et al. 2019:81 [ref. 37250], Reiner 2019:84 [ref. 38139], Sutton et al. 2020:51 [ref. 37832], Fermon et al. 2022:133 [ref. 39448], Page et al. 2023:63 [ref. 40505]). Current status: Valid as Normichthys operosus Parr 1951. Platytroctidae. Distribution: Circumglobal. Atlantic [ref. 34567]. Habitat: marine.

ophiocephala, Holtbyrnia Sazonov [Yu. I.] & Golovan [G. A.] 1976:8, Fig. 1 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8552] Northeastern Atlantic, 9°04'N, 17°36'W, depth 980 meters. Holotype: ZIN 42291. •Valid as Holtbyrnia ophiocephala Sazonov & Golovan 1976 -- (Quéro et al. 1990:267 [ref. 14648]). Current status: Valid as Holtbyrnia ophiocephala Sazonov & Golovan 1976. Platytroctidae. Distribution: Eastern Atlantic. Habitat: marine.

parini, Barbantus Sazonov [Yu. I.] 1976:14, Fig. 1 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Western Pacific, 5°29'N, 123°57'E, depth 1000-0 meters. Holotype (unique): ZIN 42630. Also appeared in Sazonov 1976:68 [ref. 19553]. •Valid as Barbantus parini Sazonov 1976 -- (Matsui & Rosenblatt 1987:110 [ref. 10670]). •Valid as Pectinantus parini (Sazonov 1976) -- (Sazonov 1999:1895 [ref. 24740]). Current status: Valid as Pectinantus parini (Sazonov 1976). Platytroctidae. Distribution: Western Pacific. Habitat: marine.

perforatus, Mentodus Sazonov [Yu. I.] & Trunov [I. A.] 1978:93, Fig. 4 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 111; ref. 8882] Southeastern Atlantic, 31°08'S, 15°17'E, depth 1200-1205 meters. Holotype: ZIN 42956 [not 42957]. Paratypes: ZIN 42957 [not 42958] (1), ZMMU P-15381 (1). Type catalog: Vasil'eva et al. 2001:38 [ref. 25714]. •Valid as Pellisolus perforatus (Sazonov & Trunov 1978) -- (Matsui & Rosenblatt 1986:225 [ref. 5688]). •Valid as Tragularius perforatus (Sazonov & Trunov 1978) -- (Matsui & Rosenblatt 1987:79 [ref. 10670]). •Valid as Mentodus perforatus Sazonov & Trunov 1978 -- (Quéro et al. 1990:270 [ref. 14648], Sazonov 1999:1895 [ref. 24740], Orrell & Hartel 2016:1780 [ref. 34567]). Current status: Valid as Mentodus perforatus Sazonov & Trunov 1978. Platytroctidae. Distribution: Cosmopolitan. Eastern Atlantic [ref. 34567]. Habitat: marine.

polycoeca, Searsia Parr [A. E.] 1937:19, Fig. 5 [Bulletin of the Bingham Oceanographic Collection Yale University v. 3 (art. 7); ref. 3376] Near Bermuda, 32°24'15"N, 64°29'00"W, 10000 feet wire out. Holotype (unique): YPM 3719. Type catalog: Moore & Boardman 1991:25 [ref. 16741]. •Synonym of Holtbyrnia innesi (Fowler 1934) -- (Matsui & Rosenblatt 1987:58 [ref. 10670] but as polycaeca, Quéro et al. 1990:266 [ref. 14648]). Current status: Synonym of Holtbyrnia innesi (Fowler 1934). Platytroctidae. Habitat: marine.

primicrops, Searsia koefoedi Parr [A. E.] 1960:61, Fig. 43 bottom [Dana Report No. 51; ref. 3384] Tongue of the Ocean, Bahamas, 23°49'15"N, 76°58'30"W, 7000 feet wire out. Holotype: YPM 3723. Type catalog: Moore & Boardman 1991:25 [ref. 16741]. •Synonym of Searsia koefoedi Parr 1937 -- (Krefft 1973:95 [ref. 7166]). Current status: Synonym of Searsia koefoedi Parr 1937. Platytroctidae. Habitat: marine.

problematica, Holtbyrnia (Krefftia) Parr [A. E.] 1960:79, Figs. 52c-d, 54-55 [Dana Report No. 51; ref. 3384] Rosengarten area, southeast of Iceland, depth 460 meters. Holotype: ISH 11c-1950. Type catalog: Krefft 1978:8 [ref. 9884]. •Valid as Holtbyrnia problematica Parr 1960 -- (Krefft 1973:96 [ref. 7166], Quéro et al. in Whitehead et al. 1984:260 [ref. 13675]). •Synonym of Holtbyrnia macrops Maul 1957 -- (Matsui & Rosenblatt 1987:59 [ref. 10670], Quéro et al. 1990:267 [ref. 14648]). Current status: Synonym of Holtbyrnia macrops Maul 1957. Platytroctidae. Habitat: marine.

procerus, Platytroctes Brauer [A.] 1906:23, Fig. 3 [Die Tiefsee-Fische v. 15; ref. 632] Cape Verde Islands, 14°39'05"N, 21°51'08'W, depth 2500 meters. Holotype (unique): ZMB 17427. •Synonym of Platytroctes apus Günther 1878 -- (Krefft 1973:98 [ref. 7166], Quéro et al. 1990:272 [ref. 14648]). Current status: Synonym of Platytroctes apus Günther 1878. Platytroctidae. Habitat: marine.

rostratus, Bathytroctes 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 Pernambuco, 8°33'S, 34°30'W, Challenger station 120, depth 675 fathoms. Holotype (unique): BMNH 1887.12.7.234. On p. 23 of separate. See also Günther 1887:227, Pl. 58 (fig. B) [ref. 2013]. •Valid as Holtbyrnia rostrata (Günther 1878) -- (Matsui & Rosenblatt 1987:63 [ref. 10670], Figueiredo & Menezes in Menezes et al. 2003:44 [ref. 27192]). •Valid as Bathytroctes rostratus Günther 1878 -- (Randall & Lim in Randall & Lim 2000:590 [ref. 25122] as Bathtroctes, Parin et al. 2014:111 [ref. 33547]). •Valid as Mentodus rostratus (Günther 1878) -- (Krefft 1973:97 [ref. 7166], Sazonov & Trunov 1978:92 [ref. 8882], Scott & Scott 1988:189 [ref. 25518], Shcherbachev et al. 1989:165 [ref. 36134] as Memtodus rostratus, McAllister 1990:75 [ref. 14674], Quéro et al. 1990:269 [ref. 14648], Sazonov et al. 1993:50 [ref. 21498], Sazonov 1999:1895 [ref. 24740], Savinykh & Balanov 1999:422 [ref. 24871], Sheiko & Fedorov 2000:18 [ref. 25650], Moore et al. 2003:181 [ref. 27076], Orrell & Hartel 2016:1781 [ref. 34567], Carneiro et al. 2019:81 [ref. 37250], Bañón & Maño 2021:53 [ref. 38883], Fermon et al. 2022:133 [ref. 39448] possible, Page et al. 2023:63 [ref. 40505]). Current status: Valid as Mentodus rostratus (Günther 1878). Platytroctidae. Distribution: Circumglobal. Habitat: marine.

schnakenbecki, Searsia Krefft [G.] 1953:260, Fig. 1 [Zoologischer Anzeiger v. 151 (nos 9/10); ref. 12700] Iceland-Faroe Ridge, North Atlantic, depth 460 meters. Holotype: ISH 11d-1950. Paratypes: (8) AMNH 36472 [ex ISH 11e-1950] (1); ISH 11a-1950 (1), 11c -1950 (1), 11f-1950 (1), 13a-b-1951(2). •Valid as Sagamichthys schnakenbecki (Krefft 1953) -- (Krefft 1973:97 [ref. 7166], Sazonov & Trunov 1978:87 [ref. 8882], Quéro et al. in Whitehead et al. 1984:265 [ref. 13675], Matsui & Rosenblatt 1986:225 [ref. 5688] with question, Matsui & Rosenblatt 1987:67 [ref. 10670], Quéro et al. 1990:273 [ref. 14648], Nakamura & Okamura in Okamura et al. 1995:85 [ref. 22531], Porteiro et al. 1999:7 [ref. 24203], Arruda 1997:29 [ref. 24952], Carter & Hartel 2003:880 [ref. 27000], Moore et al. 2003:181 [ref. 27076], Møller et al. 2010:26 [ref. 31169], Orrell & Hartel 2016:1782 [ref. 34567], Poulsen 2018:[2] [ref. 36469], Carneiro et al. 2019:81 [ref. 37250], Reiner 2019:85 [ref. 38139], Iglésias et al. 2020:290 [ref. 37987], Sutton et al. 2020:47 [ref. 37832], Fermon et al. 2022:133 [ref. 39448]). Current status: Valid as Sagamichthys schnakenbecki (Krefft 1953). Platytroctidae. Distribution: North Atlantic: Greenland and Iceland; eastern Atlantic: U.K. south to Namibia, including Canary Islands, Cape Verde Islands, and São Tomé and Principe; possibly western Atlantic. Habitat: marine.

taaningi, Persparsia Parr [A. E.] 1951:(17) 18 [American Museum Novitates No. 1531; ref. 3380] Off Cape of Good Hope, South Africa, 35°42'S, 18°37'E, 2500 meters wire out. Holotype (unique): ZMUC P17288. •Synonym of Persparsia kopua (Phillipps 1942) -- (Matsui & Rosenblatt 1987:49 [ref. 10670] as tåningi, Gomon et al. 1994:245 [ref. 22532] as taningi, Paxton et al. 2006:382 [ref. 28995]). Current status: Synonym of Persparsia kopua (Phillipps 1942). Platytroctidae. Habitat: marine.

taningi, Mirorictus Parr [A. E.] 1947:60, Pl. 1 [Copeia 1947 (no. 1); ref. 3379] Gulf of Panama, 7°15'N, 78°54'W, about 1750 meters depth (3500 meters wire out). Holotype: ZMUC P1749. Type catalog: Nielsen 1974:11 [ref. 9588]. Originally as tåningi, sometimes spelled taaningi. •Valid as Mirorictus taningi Parr 1947 -- (Matsui & Rosenblatt 1987:74 [ref. 10670], Sazonov 1999:1895 [ref. 24740], Sazonov & Merrett 2001:S39 [ref. 26652], Love et al. 2005:31 [ref. 37547], Mundy 2005:161 [ref. 28379] as taaningi, Love et al. 2021:51 [ref. 39279], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Mirorictus taningi Parr 1947. Platytroctidae. Distribution: Indo-Pacific; eastern Pacific: central California (U.S.A.) south to Peru, including Gulf of California (Mexico). Habitat: marine.

yahganorum, Normichthys Lavenberg [R. J.] 1965:3, Figs. 1-2 [Contributions in Science (Los Angeles) No. 90; ref. 9225] About 60 miles west and just south of Isla Gamblin, off southern Chile, 45°01'S, 76°33'W, depth 0-1100 meters. Holotype: LACM 10264. Paratypes: LACM 10265 (1). •Valid as Normichthys yahganorum Lavenberg 1965 -- (Sazonov & Trunov 1978:96 [ref. 8882], Matsui & Rosenblatt 1986:224 [ref. 5688], Matsui & Rosenblatt 1987:99 [ref. 10670], Paulin et al. 1989:86 [ref. 24556], Pequeño 1989:34 [ref. 14125], Shcherbachev et al. 1989:165 [ref. 36134], Heemstra 1990:115 [ref. 21682], Nakamura & Okamura in Okamura et al. 1995:84 [ref. 22531], Trunov 1999:462 [ref. 24579], Figueiredo & Menezes in Menezes et al. 2003:44 [ref. 27192], Williams & Stewart 2015:350 [ref. 34243], Sutton et al. 2020:52 [ref. 37832]). Current status: Valid as Normichthys yahganorum Lavenberg 1965. Platytroctidae. Distribution: Southern circumglobal. Habitat: marine.