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

Species in the genus Cyclothone: [ 19 ] records

acclinidens, Cyclothone Garman [S.] 1899:247, Pl. J (fig. 4) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Various localities in tropical Atlantic and eastern Pacific, depth 0-2413 fathoms. Syntypes: MCZ 28515 (orig. 8, now 6), 35152 (5); USNM 120400 [ex MCZ 28515] (1). •Valid as Cyclothone acclinidens Garman 1899 -- (Witzell 1973:116 [ref. 7172], Badcock 1982:209 [ref. 8512], Fujii in Masuda et al. 1984:46 [ref. 6441], Badcock in Whitehead et al. 1984:289 [ref. 13675], Schaefer et al. 1986:248 [ref. 5709], Matarese et al. 1989:89 [ref. 26885], Paxton et al. 1989:184 [ref. 12442], Pequeño 1989:30 [ref. 14125], Gon 1990:117 [ref. 21680], Miya 1994:200 [ref. 22045], De La Cruz Agüero et al. 1997:173 [ref. 24545], Santos et al. 1997:123 [ref. 23531], Arruda 1997:31 [ref. 24952], McEachran & Fechhelm 1998:414 [ref. 23897], Nakabo 2000:310 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Hutchins 2001:18 [ref. 25847], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:310 [ref. 26001], Balanov & Kasatkina 2003:177 [ref. 26891], Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Shinohara et al. 2005:404 [ref. 28370], Love et al. 2005:35 [ref. 37547], Mundy 2005:164 [ref. 28379], Castellanos-Galindo et al. 2006:250 [ref. 28944], Paxton et al. 2006:419 [ref. 28995], Harold & Gomon 2008:225 [ref. 30629], Vélez in Nakaya et at. 2009:118 [ref. 42561], Fricke et al. 2011:356 [ref. 31242], Harold 2016:1786 [ref. 34568], Fourriére et al. 2016:454 [ref. 34668], Del Moral-Flores et al. 2016:606 [ref. 34923], Kells et al. 2016:104 [ref. 35888], Fricke et al. 2018:65 [ref. 35805], Burton & Lea 2019:41 [ref. 37205], Carneiro et al. 2019:86 [ref. 37250], Sutton et al. 2020:60 [ref. 37832], Love et al. 2021:54 [ref. 39279], Fermon et al. 2022:166 [ref. 39448], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:84 [ref. 40505], Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:205 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Cyclothone acclinidens Garman 1899. Gonostomatidae. Distribution: Circumglobal in warm temperate seas. IUCN (2015): Least Concern. Habitat: marine.

alba, Cyclothone signata var. Brauer [A.] 1906:80, Fig. 30 [Die Tiefsee-Fische v. 15; ref. 632] Several localities. Syntypes: SMF 2108-12 (1, 12 10, 7, 2), 11941 (2); ZMB 17468-77 (5, 3, 2, 2, 5, 4, 2, 2, 5, 3), 22329-34 (8, 12, 2, 3, 3, 4); SNMBR I-10021 (2), I-10023 (1), I-10027 (1); SMNS 4486 (1), 4490 (2), 4492 (1); ZMB 17473-74 (4, 2); ZMH 8164-69 (8, 2, 7, 5, 3, 4). Type catalog: Fricke 1991:1023 [ref. 19904], Wilkens & Dohse 1993:411 [ref. 21161], Fricke 1995:15 [ref. 28100], Fricke 2005:41 [ref. 29864]. •Valid as Cyclothone alba Brauer 1906 -- (Witzell 1973:116 [ref. 7172], Badcock 1982:208 [ref. 8512], Badcock in Whitehead et al. 1984:289 [ref. 13675], Fujii in Masuda et al. 1984:46 [ref. 6441], Schaefer et al. 1986:249 [ref. 5709], Scott & Scott 1988:162 [ref. 25518], Paxton et al. 1989:184 [ref. 12442], Pequeño 1989:30 [ref. 14125], McAllister 1990:87 [ref. 14674], Quéro et al. 1990:284 [ref. 14659], Miya 1994:200 [ref. 22045], Gomon et al. 1994:247 [ref. 22532], Shinohara et al. 1994:57 [ref. 22800], Santos et al. 1997:29 [ref. 23531], Arruda 1997:31 [ref. 24952], McEachran & Fechhelm 1998:415 [ref. 23897], Fricke 1999:87 [ref. 24106], Porteiro et al. 1999:28 [ref. 24203], Nakabo 2000:309 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Sheiko & Fedorov 2000:21 [ref. 25650], Mecklenburg et al. 2002:214 [ref. 25968], Hutchins 2001:18 [ref. 25847], Nakabo 2002:309 [ref. 26001], Balanov & Kasatkina 2003:177 [ref. 26891], Figueiredo et al. in Menezes et al. 2003:44 [ref. 27192] with genus as Cyclotone, Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Love et al. 2005:35 [ref. 37547], Shinohara et al. 2005:404 [ref. 28370], Shinohara et al. 2005:404 [ref. 28370], Mundy 2005:164 [ref. 28379], Paxton et al. 2006:419 [ref. 28995], Harold & Gomon 2008:224 [ref. 30629], Fricke et al. 2009:23 [ref. 30213], Fricke et al. 2011:356 [ref. 31242], Larson et al. 2013:44 [ref. 32988], Parin et al. 2014:143 [ref. 33547], Kenaley & Stewart 2015:426 [ref. 34248], Harold 2016:1786 [ref. 34568], Fricke et al. 2018:65 [ref. 35805], Carneiro et al. 2019:86 [ref. 37250], Fricke et al. 2019:59 [ref. 36673], Sutton et al. 2020:58 [ref. 37832], Love et al. 2021:54 [ref. 39279], Fermon et al. 2022:166 [ref. 39448], Page et al. 2023:84 [ref. 40505], Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:205 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Cyclothone alba Brauer 1906. Gonostomatidae. Distribution: Circumglobal in tropical and temperate seas. IUCN (2015): Least Concern. Habitat: marine.

atraria, Cyclothone Gilbert [C. H.] 1905:605, Pl. 72 (fig. 2) [Bulletin of the U. S. Fish Commission v. 23 (pt 2) [for 1903]; ref. 1631] Off Kauai Island, Hawaiian Islands, Albatross station 4187, depth 507-703 fathoms. Holotype (unique): USNM 52055. •Valid as Cyclothone atraria Gilbert 1905 -- (Fujii in Masuda et al. 1984:46 [ref. 6441], Matarese et al. 1989:89 [ref. 26885], Okamura & Machida 1986:33 [ref. 22278], Shinohara et al. 1994:59 [ref. 22800], Shinohara et al. 1996:160 [ref. 26605], De La Cruz Agüero et al. 1997:173 [ref. 24545], Harold 1999:1899 [ref. 24741], Nakabo 2000:310 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Sheiko & Fedorov 2000:21 [ref. 25650], Mecklenburg et al. 2002:216 [ref. 25968], Shinohara et al. 2001:296 [ref. 25995], Nakabo 2002:310 [ref. 26001], Fedorov et al. 2003:43 [ref. 27579], Love et al. 2005:35 [ref. 37547], Shinohara et al. 2005:404 [ref. 28370], Mundy 2005:164 [ref. 28379], Castellanos-Galindo et al. 2006:250 [ref. 28944], Parin et al. 2014:143 [ref. 33547], Burton & Lea 2019:41 [ref. 37205], Love et al. 2021:54 [ref. 39279], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:84 [ref. 40505], Fricke et al. 2024:205 [ref. 41622], Victor et al. 2024:75 [ref. 42021], Prokofiev et al. 2025:15 [ref. 42722]). Current status: Valid as Cyclothone atraria Gilbert 1905. Gonostomatidae. Distribution: North Pacific; eastern Pacific: Mexico south to Galapagos Islands (Ecuador). IUCN (2020): Least Concern. Habitat: marine.

braueri, Cyclothone Jespersen [P.] & Tåning [A. V.] 1926:7, 52, Figs. 4, 6 (upper) [Report on the Danish Oceanographical Expeditions 1908-1910 to the Mediterranean and Adjacent Seas v. 2 (Biology); ref. 15592] Mediterranean Sea. Syntypes: ZMUC P207585 (1), P207678 (1). •Valid as Cyclothone braueri Jespersen & Tåning 1926 -- (Witzell 1973:116 [ref. 7172], Badcock 1982:208 [ref. 8512], Badcock in Whitehead et al. 1984:290 [ref. 13675], Schaefer et al. 1986:249 [ref. 5709], Scott & Scott 1988:162 [ref. 25518], Paxton et al. 1989:184 [ref. 12442], Pequeño 1989:30 [ref. 14125], Paulin et al. 1989:93 [ref. 24556], McAllister 1990:87 [ref. 14674], Quéro et al. 1990:284 [ref. 14659], Gon 1990:118 [ref. 21680], Miya 1994:200 [ref. 22045], Gomon et al. 1994:247 [ref. 22532], Golani 1994:34 [ref. 23162], Santos et al. 1997:29 [ref. 23531], Arruda 1997:31 [ref. 24952], McEachran & Fechhelm 1998:416 [ref. 23897], Fricke 1999:87 [ref. 24106], Porteiro et al. 1999:28 [ref. 24203], Harold 1999:1899 [ref. 24741], Hutchins 2001:18 [ref. 25847], Bilecenoğlu et al. 2002:40 [ref. 26753], Craddock & Hartel in Collette & Klein-MacPhee 2002:183 [ref. 26158], Figueiredo et al. in Menezes et al. 2003:44 [ref. 27192] with genus as Cyclotone, Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Duhamel et al. 2005:397 [ref. 32059] with question, Golani 2005:20 [ref. 37112], Paxton et al. 2006:420 [ref. 28995], Fricke et al. 2007:57 [ref. 29533], Harold & Gomon 2008:225 [ref. 30629], Fricke et al. 2009:23 [ref. 30213], Lipej & Dulčić 2010:22 [ref. 36649], Møller et al. 2010:28 [ref. 31169], Goren & Galil 2015:512 [ref. 33910], Kenaley & Stewart 2015:427 [ref. 34248], Harold 2016:1786 [ref. 34568], Fricke et al. 2018:65 [ref. 35805], Artüz & Fricke 2019:553 [ref. 36612], Carneiro et al. 2019:86 [ref. 37250], Elbaraasi et al. 2019:92 [ref. 36864], Reiner 2019:86 [ref. 38139], Kovačić et al. 2020:13 [ref. 37519], Sutton et al. 2020:59 [ref. 37832], Bañón & Maño 2021:54 [ref. 38883], Dalyan et al. 2021:5 [ref. 38892], Golani 2021:22 [ref. 38303], Kovačić et al. 2021:23 [ref. 39014], Love et al. 2021:55 [ref. 39279], Fermon et al. 2022:166 [ref. 39448], Page et al. 2023:84 [ref. 40505], Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:205 [ref. 41622], Alkhalili et al. 2025:7964 [ref. 42636], Kobyliansky et al. 2025:884 [ref. 42663]). Current status: Valid as Cyclothone braueri Jespersen & Tåning 1926. Gonostomatidae. Distribution: Circumglobal in tropical and subtropical seas (in North Atlantic also in temperate waters north to 66°N) (including Gulf of Mexico, Caribbean Sea, Mediterranean Sea, Sea of Marmara, South China Sea, East China Sea, Sea of Japan, Timor Sea, Arafura Sea, Coral Sea, Tasman Sea, Gulf of California/Mexico) IUCN (2015): Least Concern. Habitat: marine.

canina, Cyclothone Gilbert [C. H.] 1905:604, Pl. 71 (fig. 2) [Bulletin of the U. S. Fish Commission v. 23 (pt 2) [for 1903]; ref. 1631] Off Kauai Island, Hawaiian Islands, Albatross station 4005, depth 480-577 fathoms. Holotype: USNM 51545. Paratypes: CAS-SU 8572 (2), 8576 (1); USNM 51539-44 (5, 2, 2, 2, 1, 1). Type catalog: Böhlke 1953:16 [ref. 12291]. •Synonym of Cyclothone pallida Brauer 1902 -- (Gon 1990:120 [ref. 21680], Mundy 2005:165 [ref. 28379]). Current status: Synonym of Cyclothone pallida Brauer 1902. Gonostomatidae. Habitat: marine.

kobayashii, Cyclothone Miya [M.] 1994:193, Fig. 2 [Copeia 1994 (no. 1); ref. 22045] Southern Ocean, 45°03.2'S, 115°01.1'E, depth 0-1058 meters. Holotype: CBM-ZF 1387. Paratypes: AMS I.16494-049 (1); BMNH 1987.9.4.363 (1), CBM-ZF 1388 (1); NSMT-P 35724 (1); SIO 63-542 (1); ZIN 50260 (1); ZMUC P208732-33 (1, 1). First mentioned in an unpublished Ph. D. thesis of Kobayashi 1973. •Valid as Cyclothone kobayashii Miya 1994 -- (Harold 1999:1899 [ref. 24741], Paxton et al. 2006:420 [ref. 28995], Kenaley & Stewart 2015:428 [ref. 34248]). Current status: Valid as Cyclothone kobayashii Miya 1994. Gonostomatidae. Distribution: Circumglobal in southern Hemisphere. Habitat: marine.

livida, Cyclothone Brauer [A.] 1902:279 [Zoologischer Anzeiger v. 25 (no. 668); ref. 631] Atlantic Ocean. Lectotype: ZMB 17482 (35 mm SL specimen). Paralectotypes: ASUM A19.2.1.6a (15); SNMBR I-10032 (1); SMF 2088-89 (1, 3), 11943 (4); SMNS 4484 (1), 4494 (1); ZMB 17478 (1), 17480-82 (2, 2, 3), 22312 (12); ZMH 8231-32 [? now 10834-35] (2, 2). Type catalog: Fricke 1991:1022 [ref. 19904], Wilkens & Dohse 1993:410 [ref. 21161], Fricke 1995:14 [ref. 28100], Fricke 2005:40 [ref. 29864]. A single specimen collected at Valdivia St. 73 was measured in the original description. Lectotype designated by Gon et al. 2022:57 [ref. 39777]. •Valid as Cyclothone livida Brauer 1902 -- (Witzell 1973:117 [ref. 7172], Badcock 1982:209 [ref. 8512], Badcock in Whitehead et al. 1984:291 [ref. 13675], Quéro et al. 1990:284 [ref. 14659], Santos et al. 1997:30 [ref. 23531], Porteiro et al. 1999:7 [ref. 24203], Harold 2016:1786 [ref. 34568], Carneiro et al. 2019:87 [ref. 37250], Reiner 2019:86 [ref. 38139], Sutton et al. 2020:60 [ref. 37832], Fermon et al. 2022:166 [ref. 39448], Gon et al. 2022:54 [ref. 39777], Reading & Horton 2023:10 [ref. 41317]). Current status: Valid as Cyclothone livida Brauer 1902. Gonostomatidae. Distribution: Eastern Atlantic: southeast of Iceland south to Angola. Habitat: marine.

lusca, Cyclothone Goode [G. B.] & Bean [T. H.] 1883:221 [Bulletin of the Museum of Comparative Zoology v. 10 (no. 5); ref. 1838] Atlantic, 31°41'-34°28'25"N, 74°35'-76°12'30"W, depth 457-1632 fathoms. Syntypes: (75) MCZ 25883-86 (5, 35, 13, 9); USNM 120255 [ex MCZ 25886] (4). •Synonym of Cyclothone microdon (Günther 1878) -- (Gon 1990:119 [ref. 21680], Paxton et al. 2006:420 [ref. 28995]). Current status: Synonym of Cyclothone microdon (Günther 1878). Gonostomatidae. Habitat: marine.

microdon, Gonostoma Günther [A.] 1878:188 [21] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] Kermadec Islands, Challenger station 171, depth 600 fathoms. Lectotype: BMNH 1887.12.7.174. Paralectotypes: BMNH 1887.12.7.164-166 (3), 1887.12.7.167-168 (2), 1887.12.7.169-171 (3), 1887.12.7.172 (1); 1887.12.7.173 (1), 1887.12.7.175 (1), 1887.12.7.176-177 (2), 1887.12.7.178 (1), 1887.12.7.179 (1); MNHN 1890-0143 to 0147 (5); ZMUO J658 (2, poor condition). Type catalog: Bertin 1940:312 [ref. 293], Pethon 1969:4 [ref. 19268]. On p. 21 of separate. See also Günther 1887:175 [ref. 2013]. Lectotype selected by Pethon 1969:4 [ref. 19268]. •Valid as Cyclothone microdon (Günther 1878) -- (Witzell 1973:117 [ref. 7172], Badcock 1982:209 [ref. 8512], Badcock in Whitehead et al. 1984:291 [ref. 13675], Schaefer et al. 1986:249 [ref. 5709], Scott & Scott 1988:163 [ref. 25518], Paxton et al. 1989:184 [ref. 12442], Pequeño 1989:30 [ref. 14125], Paulin et al. 1989:93 [ref. 24556], McAllister 1990:87 [ref. 14674], Quéro et al. 1990:285 [ref. 14659], Gon 1990:119 [ref. 21680], Miya 1994:200 [ref. 22045], Gomon et al. 1994:247 [ref. 22532], Santos et al. 1997:30 [ref. 23531], Arruda 1997:31 [ref. 24952], McEachran & Fechhelm 1998:417 [ref. 23897], Porteiro et al. 1999:28 [ref. 24203], Harold 1999:1899 [ref. 24741], Hutchins 2001:18 [ref. 25847], Craddock & Hartel in Collette & Klein-MacPhee 2002:184 [ref. 26158], Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Duhamel et al. 2005:122 [ref. 32059], Castellanos-Galindo et al. 2006:250 [ref. 28944], Paxton et al. 2006:420 [ref. 28995], Harold & Gomon 2008:225 [ref. 30629], Fricke et al. 2009:23 [ref. 30213], Møller et al. 2010:28 [ref. 31169], Mecklenburg et al. 2011:119 [ref. 31212], Fricke et al. 2011:356 [ref. 31242], Duffy & Ahyong 2015:109 [ref. 36167], Kenaley & Stewart 2015:429 [ref. 34248], Afonso et al. 2016:26, 143 [ref. 36199], Harold 2016:1786 [ref. 34568], Mecklenburg et al. 2018:83 [ref. 36370], Carneiro et al. 2019:87 [ref. 37250], Reiner 2019:87 [ref. 38139], Sutton et al. 2020:58 [ref. 37832], Bañón & Maño 2021:54 [ref. 38883], Kovačić et al. 2021:23 [ref. 39014], Love et al. 2021:55 [ref. 39279], Fermon et al. 2022:167 [ref. 39448], Page et al. 2023:84 [ref. 40505], Fricke et al. 2024:205 [ref. 41622], Alkhalili et al. 2025:7964 [ref. 42636]). Current status: Valid as Cyclothone microdon (Günther 1878). Gonostomatidae. Distribution: Circumglobal in tropical, subtropical and temperate seas to the Arctic region (including Gulf of Mexico, Caribbean Sea, western Mediterranean Sea, Coral Sea, Tasman Sea, Gulf of California/Mexico). IUCN (2015): Least Concern. Habitat: marine.

obscura, Cyclothone Brauer [A.] 1902:280 [Zoologischer Anzeiger v. 25 (no. 668); ref. 631] Atlantic and Indian Ocean. Lectotype: ZMB 17512. Paralectotypes: ASUM A19.2.1.5a (1); SNMBR I-10035 (1); SMF 2113 (1); SMNS 4491 (1); ZMB 17509-10 (1, 1), 17480 (2), 19321 (3), 22324 (2); ZMH 8233 [now 10844] (1). Type catalog: Fricke 1991:1023 [ref. 19904], Wilkens & Dohse 1993:411 [ref. 21161], Fricke 1995:14 [ref. 28100], Fricke 2005:41 [ref. 29864]. A single specimen collected at Valdivia St. 237 was measured in the original description. Lectotype designated by Gon et al. 2022:57 [ref. 39777]. •Valid as Cyclothone obscura Brauer 1902 -- (Badcock 1982:209 [ref. 8512], Badcock in Whitehead et al. 1984:292 [ref. 13675], Miya & Nemoto 1987:417 [ref. 22502], Paxton et al. 1989:184 [ref. 12442], Quéro et al. 1990:285 [ref. 14659], Miya 1994:327 [ref. 22168], Miya 1994:200 [ref. 22045], McEachran & Fechhelm 1998:418 [ref. 23897], Harold 1999:1899 [ref. 24741], Nakabo 2000:310 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Hutchins 2001:19 [ref. 25847], Nakabo 2002:310 [ref. 26001], Harold 2003:884 [ref. 27001], Mundy 2005:165 [ref. 28379], Castellanos-Galindo et al. 2006:250 [ref. 28944], Paxton et al. 2006:420 [ref. 28995], Larson et al. 2013:44 [ref. 32988], Harold 2016:1786 [ref. 34568], Carneiro et al. 2019:87 [ref. 37250], Fricke et al. 2019:59 [ref. 36673], Sutton et al. 2020:57 [ref. 37832], Fermon et al. 2022:167 [ref. 39448], Gon et al. 2022:54 [ref. 39777], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:84 [ref. 40505], Fricke et al. 2024:205 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Cyclothone obscura Brauer 1902. Gonostomatidae. Distribution: Circumglobal in tropical and warm temperate seas. IUCN (2015): Least Concern. Habitat: marine.

pacifica, Cyclothone Mukhacheva [V. A.] 1964:114, Fig. 13 [Trudy Instituta Okeanologii Imeni P. P. Shirshova v. 73; ref. 9046] North Pacific, 45°16'[or 01']N, 156°13'[or 48']E, depth 0-4300 meters over 4480 meters. Holotype: ZIN 37445. Paratypes: (2458 specimens, 450 measured). •Valid as Cyclothone pacifica Mukhacheva 1964 -- (McAllister 1990:87 [ref. 14674]). •Synonym of Cyclothone atraria Gilbert 1905 -- (Okamura & Machida 1986:33 [ref. 22278], Sheiko & Fedorov 2000:21 [ref. 25650], Mecklenburg et al. 2002:216 [ref. 25968], Mundy 2005:164 [ref. 28379], Parin et al. 2014:143 [ref. 33547]). Current status: Synonym of Cyclothone atraria Gilbert 1905. Gonostomatidae. Habitat: marine.

pallida, Cyclothone Brauer [A.] 1902:281 [Zoologischer Anzeiger v. 25 (no. 668); ref. 631] Atlantic and Indian Ocean. Lectotype: ZMB 17496. Paralectotypes: ASUM A19.2.1.3a (3), A19.2.1.3b (1); SNMBR I-10020 (1), I-10024 (1), I-10028 (1), I-10031 (2); SMF 2092-97 (1, 2, 2, 2, 1, 9); SMNS 4474 (1), 4480 (1), 4482 (1), 4485 (1); ZMB 17490-92 (3, 1, 3), 17494-95 (1, 7), 17498 (1), ?22316-23, 19315-18 (100); ZMH 8158-63 (2, 1, 2, 22 now 20, 2, 1). Type catalog: Fricke 1991:1023 [ref. 19904], Wilkens & Dohse 1993:411 [ref. 21161], Fricke 1995:14-15 [ref. 28100], Fricke 2005:41 [ref. 29864]. A single specimen collected at Valdivia St. 207 was measured in the original description. Lectotype designated by Gon et al. 2022:57 [ref. 39777]. •Valid as Cyclothone pallida Brauer 1902 -- (Witzell 1973:117 [ref. 7172], Badcock 1982:289 [ref. 8512], Badcock in Whitehead et al. 1984:293 [ref. 13675], Fujii in Masuda et al. 1984:46 [ref. 6441], Schaefer et al. 1986:249 [ref. 5709], Peden & Jamieson 1988:491 [ref. 12864], Matarese et al. 1989:89 [ref. 26885], Paxton et al. 1989:184 [ref. 12442], Pequeño 1989:30 [ref. 14125], Paulin et al. 1989:93 [ref. 24556], McAllister 1990:88 [ref. 14674], Quéro et al. 1990:286 [ref. 14659], Gon & Heemstra 1990:120 [ref. 18440], Gon 1990:120 [ref. 21680], Miya 1994:327 [ref. 22168], Miya 1994:200 [ref. 22045], Santos et al. 1997:30 [ref. 23531], De La Cruz Agüero et al. 1997:173 [ref. 24545], Arruda 1997:31 [ref. 24952], McEachran & Fechhelm 1998:419 [ref. 23897], Fricke 1999:88 [ref. 24106], Porteiro et al. 1999:28 [ref. 24203], Harold 1999:1899 [ref. 24741], Nakabo 2000:309 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Sheiko & Fedorov 2000:21 [ref. 25650], Mecklenburg et al. 2002:218 [ref. 25968], Hutchins 2001:19 [ref. 25847], Nakabo 2002:309 [ref. 26001], Balanov & Kasatkina 2003:177 [ref. 26891], Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Love et al. 2005:35 [ref. 37547], Shinohara et al. 2005:404 [ref. 28370], Mundy 2005:165 [ref. 28379], Castellanos-Galindo et al. 2006:250 [ref. 28944], Paxton et al. 2006:420 [ref. 28995], Fricke et al. 2009:23 [ref. 30213], Fricke et al. 2011:356 [ref. 31242], Larson et al. 2013:44 [ref. 32988], Parin et al. 2014:144 [ref. 33547], Kenaley & Stewart 2015:430 [ref. 34248], Bañón et al. 2016:307 [ref. 34397], Harold 2016:1786 [ref. 34568], Fricke et al. 2018:65 [ref. 35805], Burton & Lea 2019:41 [ref. 37205], Carneiro et al. 2019:87 [ref. 37250], Reiner 2019:87 [ref. 38139], Sutton et al. 2020:59 [ref. 37832], Bañón & Maño 2021:54 [ref. 38883], Love et al. 2021:55 [ref. 39279], Fermon et al. 2022:167 [ref. 39448], Gon et al. 2022:54 [ref. 39777], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:84 [ref. 40505], Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:205 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Cyclothone pallida Brauer 1902. Gonostomatidae. Distribution: Circumglobal in temperate and tropical and subtropical seas. IUCN (2015): Least Concern. Habitat: marine.

parapallida, Cyclothone Badcock [J.] 1982:200, Figs. 2-4 [Journal of Fish Biology v. 20 (no. 2); ref. 8512] 10°28'N, 19°43'W, depth 3140-0 meters. Holotype: BMNH 1981.4.2.1. Paratypes: BMNH 1981.4.2.2 (1), 1981.4.2.3 (1), 1981.4.2.4 (1), 1981.4.2.5 (1), 1981.4.2.6 (1), 1981.4.2.7 (1); IOS uncat. (179). •Valid as Cyclothone parapallida Badcock 1982 -- (Quéro et al. 1990:286 [ref. 14659], Miya 1994 [ref. 22168], Harold 1999:1899 [ref. 24741], Harold 2003:884 [ref. 27001], Paxton et al. 2006:420 [ref. 28995], Costa & Mincarone 2010:353 [ref. 37483], Fricke et al. 2011:356 [ref. 31242], Harold 2016:1787 [ref. 34568], Carneiro et al. 2019:87 [ref. 37250], Sutton et al. 2020:60 [ref. 37832], Fermon et al. 2022:167 [ref. 39448] possible, Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:206 [ref. 41622]). Current status: Valid as Cyclothone parapallida Badcock 1982. Gonostomatidae. Distribution: Atlantic; western-central Pacific. Habitat: marine.

pseudoacclinidens, Cyclothone Quéro [J.-C.] 1974:449, Figs. 1-4 [Revue des Travaux de l'Institut des Pêches Maritimes v. 38 (no. 4); ref. 7531] Northeastern Atlantic, 46°07'N, 4°16'W, depth 600-4000 meters. Holotype: MNHN 1975-0063. Paratypes: BMNH 1976.2.3.1 (1), CAS 35111 (1), ISH 230-1975 (1), MHNLR 805 (1), MNHN 1975-0064 to 0074 (11, 1 ea. lot), SMF 13392 (1), USNM 215280 (1), ZMB 23848 (1), ZMUC P207431 (1). Type catalog: Krefft 1978:8 [ref. 9884]. •Synonym of Cyclothone acclinidens Garman 1899 -- (Badcock in Whitehead et al. 1984:289 [ref. 13675], Schaefer et al. 1986:248 [ref. 5709]). •Valid as Cyclothone pseudoacclinidens Quéro 1974 -- (Quéro et al. 1990:286 [ref. 14659], Harold 2016:1787 [ref. 34568], Fermon et al. 2022:167 [ref. 39448] with question). Current status: Valid as Cyclothone pseudoacclinidens Quéro 1974. Gonostomatidae. Distribution: Circumglobal. Habitat: marine.

pseudopallida, Cyclothone Mukhacheva [V. A.] 1964:104, Fig. 7a [Trudy Instituta Okeanologii Imeni P. P. Shirshova v. 73; ref. 9046] Northeastern Pacific, 38°34'N [or 38°13'N], 144°18'[or 144°13']E, depth 0-1550 meters over 7420 meters. Holotype: ZIN 37444. Paratypes: (983). •Valid as Cyclothone pseudopallida Mukhacheva 1964 -- (Witzell 1973:118 [ref. 7172], Badcock 1982:208 [ref. 8512], Badcock in Whitehead et al. 1984:294 [ref. 13675], Fujii in Masuda et al. 1984:46 [ref. 6441], Peden et al. 1985:4 [ref. 24081], Peden & Hughes 1986:2 [ref. 9714], Schaefer et al. 1986:250 [ref. 5709], Scott & Scott 1988:164 [ref. 25518], Matarese et al. 1989:89 [ref. 26885], Paxton et al. 1989:185 [ref. 12442], Pequeño 1989:30 [ref. 14125], Paulin et al. 1989:93 [ref. 24556], McAllister 1990:88 [ref. 14674], Quéro et al. 1990:287 [ref. 14659], Gon 1990:121 [ref. 21680], Miya 1994:200 [ref. 22045], Gomon et al. 1994:247 [ref. 22532], Shinohara et al. 1994:59 [ref. 22800], Santos et al. 1997:30 [ref. 23531], McEachran & Fechhelm 1998:420 [ref. 23897], Fricke 1999:88 [ref. 24106], Porteiro et al. 1999:7 [ref. 24203], Harold 1999:1899 [ref. 24741], Nakabo 2000:309 [ref. 25086], Randall & Lim in Randall & Lim 2000:590 [ref. 25122], Sheiko & Fedorov 2000:21 [ref. 25650], Mecklenburg et al. 2002:217 [ref. 25968], Hutchins 2001:19 [ref. 25847], Nakabo 2002:309 [ref. 26001], Balanov & Kasatkina 2003:177 [ref. 26891], Figueiredo et al. in Menezes et al. 2003:44 [ref. 27192] with genus as Cyclotone, Harold 2003:884 [ref. 27001], Moore et al. 2003:182 [ref. 27076], Love et al. 2005:35 [ref. 37547], Shinohara et al. 2005:404 [ref. 28370], Mundy 2005:165 [ref. 28379], Duhamel et al. 2005:122 [ref. 32059], Paxton et al. 2006:421 [ref. 28995], Harold & Gomon 2008:225 [ref. 30629], Fricke et al. 2011:356 [ref. 31242], Parin et al. 2014:144 [ref. 33547], Kenaley & Stewart 2015:431 [ref. 34248], Harold 2016:1787 [ref. 34568], Fricke et al. 2018:65 [ref. 35805], Burton & Lea 2019:42 [ref. 37205], Carneiro et al. 2019:87 [ref. 37250], Sutton et al. 2020:59 [ref. 37832], Love et al. 2021:55 [ref. 39279], Fermon et al. 2022:167 [ref. 39448] possible, Page et al. 2023:84 [ref. 40505], Reading & Horton 2023:10 [ref. 41317], Fricke et al. 2024:206 [ref. 41622], Kobyliansky et al. 2025:884 [ref. 42663]). Current status: Valid as Cyclothone pseudopallida Mukhacheva 1964. Gonostomatidae. Distribution: Circumglobal in tropical and temperate seas. IUCN (2015): Least Concern. Habitat: marine.

pygmaea, Cyclothone microdon var. Jespersen [P.] & Tåning [A. V.] 1926:7, 54, Figs. 5, 6 (bottom) [Report on the Danish Oceanographical Expeditions 1908-1910 to the Mediterranean and Adjacent Seas v. 2 (Biology); ref. 15592] Mediterranean Sea. Syntypes: many. •Synonym of Cyclothone microdon (Günther 1878) -- (Witzell 1973:117 [ref. 7172]). •Valid as Cyclothone pygmaea Jespersen & Tåning 1926 -- (Badcock in Whitehead et al. 1984:294 [ref. 13675], Golani 1994:35 [ref. 23162], Galil & Goren 1994:50 [ref. 23163], Bilecenoğlu et al. 2002:41 [ref. 26753], Golani 2005:20 [ref. 37112], Fricke et al. 2007:57 [ref. 29533], Lipej & Dulčić 2010:22 [ref. 36649], Goren & Galil 2015:512 [ref. 33910], Elbaraasi et al. 2019:92 [ref. 36864], Kovačić et al. 2020:13 [ref. 37519], Golani 2021:22 [ref. 38303], Kovačić et al. 2021:23 [ref. 39014], Alkhalili et al. 2025:7964 [ref. 42636]). Current status: Valid as Cyclothone pygmaea Jespersen & Tåning 1926. Gonostomatidae. Distribution: Mediterranean Sea endemic. IUCN (2014): Least Concern. Habitat: marine.

quadrioculatum, Neostoma Vaillant [L. L.] 1888:99, Pl. 8 (figs. 2, 2a-2c) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Gulf of Gascony, Portugal coasts, Morocco, Canary Islands, Banc d' Arguin, Cape Verde, Azores, northern Atlantic, depth 950-4415 meters. Syntypes: (30) BMNH 1890.6.16.53 [ex MNHN] (1); MCZ 32263 [ex MNHN] (1); MNHN 1883-0057 to 0060 (1, 1, 1, 1), 1883-0063 (1), 1883-0067 (1), 1884-1081 (1), 1884-1083 to 1086 (1, 1, 1, 1), 1885-0052 to 0054 (1, 1, 1), 1885-0057 to 0058 (1, 1). Type catalog: Bertin 1940:312-313 [ref. 293]. •Synonym of Cyclothone microdon (Günther 1878) -- (Gon 1990:119 [ref. 21680]). Current status: Synonym of Cyclothone microdon (Günther 1878). Gonostomatidae. Habitat: marine.

signata, Cyclothone Garman [S.] 1899:246, Pl. J (fig. 3) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Gulf of Panama, eastern Pacific, 6°21'N, 80°41'W, Albatross station 3382, depth 1793 fathoms. Syntypes: BMNH 1856.7.16.1-3 [from MCZ], MCZ 28517 (orig. 18, poor condition). •Valid as Cyclothone signata Garman 1899 -- (Peden et al. 1985:4 [ref. 24081], Peden & Hughes 1986:1 [ref. 9714], Matarese et al. 1989:89 [ref. 26885], Pequeño 1989:30 [ref. 14125], McAllister 1990:88 [ref. 14674], De La Cruz Agüero et al. 1997:173 [ref. 24545], Harold 1999:1899 [ref. 24741], Mecklenburg et al. 2002:215 [ref. 25968], Love et al. 2005:35 [ref. 37547], Mundy 2005:165 [ref. 28379], Castellanos-Galindo et al. 2006:250 [ref. 28944], Burton & Lea 2019:42 [ref. 37205], Carneiro et al. 2019:87 [ref. 37250], Love et al. 2021:55 [ref. 39279], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:84 [ref. 40505], Fricke et al. 2024:206 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Cyclothone signata Garman 1899. Gonostomatidae. Distribution: Central and eastern Pacific: including Galapagos Islands (Ecuador). IUCN (2020): Least Concern. Habitat: marine.

viva, Panderiella Kasatkina [A. P.] 2000:710, Figs. 1-3 [Doklady Akademii Nauk v. 373 (no. 5); ref. 27920] 77°41'N, 125°55'E. Holotype (unique). Described as a living fossil euconodont, in a new class, family, genus and species. According to C. F. Kammerer (pers. comm. 7/30/2002), this is a damaged specimen probably of the genus Cyclothone! •Synonymy of Cyclothone pseudopallida Mukhacheva 1964 -- (Parin et al. 2014:144 [ref. 33547]). Current status: Synonym of Cyclothone pseudopallida Mukhacheva 1964. Gonostomatidae. Habitat: marine.