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 Myxinidae: [ 111 ] records

aceroi, Eptatretus Polanco Fernandez [A.] & Fernholm [B.] 2014:530, Figs. 1-3 [Copeia 2014 (no. 3); ref. 33545] Colombia, off Cartagena, 10°44'04.1"N, 75°37'15.2"W to 10°43'26.0"N, 75°37°46.0"W, depth 705 meters. Holotype (unique): PEC 8257. •Valid as Eptatretus aceroi Polanco Fernandez & Fernholm 2014 -- (Angulo & Del Moral-Flores 2016:99 [ref. 34472], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus aceroi Polanco Fernandez & Fernholm 2014. Myxinidae: Eptatretinae. Distribution: Western Atlantic: Colombian Caribbean Sea. Habitat: marine.

acutifrons, Myxine Garman [S.] 1899:347, Pl. 68 (fig. 6) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Sandy Point, Magellan Straits; Puerto Bueno, southern Chile. Syntypes: MCZ 8836-37 (12, 1), 8838 (75, missing), 8839 (31), 89528-32 (2, 3, 15, 22, 1); USNM 153595 [ex MCZ 8836] (1). •Synonym of Myxine glutinosa Linnaeus 1758 -- (Lloris & Rucabado 1991:23 [ref. 22530]). •Synonym of Myxine australis Jenyns 1842 -- (Wisner & McMillan 1995:538 [ref. 21653]). Current status: Synonym of Myxine australis Jenyns 1842. Myxinidae: Myxininae. Habitat: marine.

affinis, Myxine Günther [A.] 1870:511 [Catalogue of the fishes in the British Museum v. 8; ref. 1995] No locality. Holotype (unique): BMNH 1951.10.4.3 (poor condition). •Synonym of Myxine glutinosa Linnaeus 1758 -- (Lloris & Rucabado 1991:23 [ref. 22530]). •Valid as Myxine affinis Günther 1870 -- (Wisner & McMillan 1995:539 [ref. 21653], Pequeño 1989:5 [ref. 14125], Fernholm 1998:35 [ref. 23976], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:404 [ref. 37507], Nión et al. 2016:19 [ref. 35565] as Mixine, Jacobi et al. 2024:203 [ref. 40880]). Current status: Valid as Myxine affinis Günther 1870. Myxinidae: Myxininae. Distribution: Southwestern Atlantic, southeastern Pacific: southern Brazil south to Straits of Magellan and Tierra del Fuego; southern coast of Chile. Habitat: marine.

alastairi, Eptatretus Mincarone [M. M.] & Fernholm [B.] 2010:792, Figs. 2D, 6 [Journal of Fish Biology v. 77 (no. 4); ref. 30926] North of Point Hedland, 18°06'S, 118°17'E, Western Australia, Australia, depth 396-402 meters. Holotype: NTM S.11822-001. Paratypes: many at CSIRO, QM, WAM. •Valid as Eptatretus alastairi Mincarone & Fernholm 2010 -- (Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:810 [ref. 31490], Augustina et al. 2022:132 [ref. 39374]). Current status: Valid as Eptatretus alastairi Mincarone & Fernholm 2010. Myxinidae: Eptatretinae. Distribution: Eastern Indian Ocean, southwestern Pacific: Western Australia and Queensland (Australia). Habitat: marine.

albiderma, Eptatretus Song [Y. S.] & Kim [J.-K.] 2020:Figs. [Marine Biodiversity v. 50 (art. 71); ref. 37719] Da Nang, northeast Sea of Vietnam. Holotype. •Valid as Eptatretus albiderma Song & Kim 2020. Current status: Valid as Eptatretus albiderma Song & Kim 2020. Myxinidae: Eptatretinae. Distribution: Northeast Sea of Vietnam. Habitat: marine.

ancon, Quadratus Mok [H.-K.], Saavedra-Díaz [L. M.] & Acero P. [A.] 2001:1031, Figs. 1-3 [Copeia 2001 (no. 4); ref. 25820] Between 11°29'31.8"N, 73°27'6.6"W and 11°29'47.4"N, 73°26'44.4"W, off La Punta de los Remedios, Caribbean coast of Colombia, depth 470-488 meters. Holotype (unique): INVEMAR-PEC 2412. •Valid as Paramyxine ancon (Mok, Saavedra-Díaz & Acero P. 2001) -- (Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus ancon (Mok, Saavedra-Díaz & Acero P. 2001) -- (based on placement of Quadratus, Angulo & Del Moral-Flores 2016:100 [ref. 34472], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus ancon (Mok, Saavedra-Díaz & Acero P. 2001). Myxinidae: Eptatretinae. Distribution: Western Atlantic: Colombian Caribbean Sea. Habitat: marine.

astrolabium, Eptatretus Fernholm [B.] & Mincarone [M. M.] 2010:999, Figs. 1-3 [Journal of Fish Biology v. 77 (no. 4); ref. 30998] Astrolabe Bay, 1 kilometer east from Planet Rock, 5°15.48'S, 145°489.14'E, Papua New Guinea, trap, depth about 500 meters. Holotype (unique): AMS I.35536-001. •Valid as Eptatretus astrolabium Fernholm & Mincarone 2010 -- (Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus astrolabium Fernholm & Mincarone 2010. Myxinidae: Eptatretinae. Distribution: Western Pacific: Papua New Guinea. Habitat: marine.

atami, Paramyxine Dean [B.] 1904:14, Fig. 2D; Pl. 1 (figs. 3-5) [Journal of the College of Science. Imperial University, Tokyo v. 19 (art. 2); ref. 1094] Off Cape Manazuru, near hot springs of Atami, Japan, Sagami Sea, depth 270 fathoms. Syntypes: (3) ZUMT 1421 (1, lost), 1527 (2 egg capsules). Type catalog: Aizawa et al. 2022:192 [ref. 39648]. •Valid as Paramyxine atami Dean 1904 -- (Sato in Masuda et al. 1984:1 [ref. 6441], Wisner 1999:312 [ref. 24160], Nakabo 2000:109 [ref. 25086], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus atami (Dean 1904) -- (Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], Shinohara et al. 2001:286 [ref. 25995], Nakabo 2002:109 [ref. 26001], Choi et al. 2003:37, 465 [ref. 26218], McMillan & Wisner 2004:57 [ref. 27692], Shinohara et al. 2005:391 [ref. 28370], Fernholm 1998:34 [ref. 23976] based on placement of Paramyxine, Shinohara et al. 2014:229 [ref. 33330], Miyazaki et al. 2019:122 [ref. 37957], Song & Kim 2020:91 [ref. 37441]). Current status: Valid as Eptatretus atami (Dean 1904). Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: Japan. Habitat: marine.

atlantica, Myxine Regan [C. T.] 1913:398 [Annals and Magazine of Natural History (Series 8) v. 11 (no. 64); ref. 18513] Northwestern Atlantic off Nova Scotia, 44°17'N, 58°10'W, depth 120 fathoms. Holotype (unique): BMNH 1880.9.14.68. •Synonym of Myxine glutinosa Linnaeus 1758 -- (Vladykov 1973:6 [ref. 7159], Lloris & Rucabado 1991:23 [ref. 22530]). •Synonym of Myxine limosa Girard 1858 -- (Wisner & McMillan 1995:540 [ref. 21653]). Current status: Synonym of Myxine glutinosa Linnaeus 1758. Myxinidae: Myxininae. Habitat: marine.

australis, Myxine Jenyns [L.] 1842:159 [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Goree Sound and elsewhere in Tierra del Fuego. Syntypes: UMZC AG.164 [Darwin no. 515] (1). The description was based on UMZC AG.164; but since multiple localities are mentioned, we prefer to treat this specimen as the surviving syntype, or the only saved syntype. •Synonym of Myxine glutinosa Linnaeus 1758 -- (Lloris & Rucabado 1991:23 [ref. 22530]). •Valid as Myxine australis Jenyns 1842 -- (Fernholm 1990:77 [ref. 21677], Wisner & McMillan 1995:538 [ref. 21653], Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Pequeño 2000:84 [ref. 25224], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Mincarone in Menezes et al. 2003:21 [ref. 27192], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:404 [ref. 37507], Mabragaña et al. 2011:table S2 [ref. 31800], Chiaramonte et al. 2023:208 [ref. 40423] as cf. australia). Current status: Valid as Myxine australis Jenyns 1842. Myxinidae: Myxininae. Distribution: Southeastern Pacific, southwestern Atlantic: Straits of Magellan; Tierra del Fuego; southern Coast of Chile and Argentina; southern Brazil. Habitat: marine.

australis, Myxine glutinosa var. Putnam [F. W.] 1874:135 [Proceedings of the Boston Society of Natural History v. 16 (for 1873-1874); ref. 18578] Not available, author states, "I consider these varieties as simply indicating the extremes of variation in the species, and its geographical distribution, and not in any sense distinct forms (S. coast of South America); also no distinguishing features for this variety. Perhaps validly published later but if so then objectively invalid -- preoccupied by Myxine australis Jenyns 1842. Infrasubspecific. Myxinidae: Myxininae.

bahamensis, Eptatretus Mincarone [M. M.], Fernholm [B.] & Fudge [D. S.] 2024:180, Figs. 1-3 [Ichthyology & Herpetology v. 112 (no. 2); ref. 41172] Northwest Providence Channel, off southern Grand Bahama Island, the Bahamas, western Atlantic Ocean, 26°07.0'N, 78°34.1-36.6'W, depth 560 - 591 meters. Holotype (unique): SIO 76-252 [ex UMML 231521]. •Valid as Eptatretus bahamensis Mincarone, Fernholm & Fudge 2024. Current status: Valid as Eptatretus bahamensis Mincarone, Fernholm & Fudge 2024. Myxinidae: Eptatretinae. Distribution: Western Atlantic: the Bahamas. Habitat: marine.

banksii, Homea Fleming [J.] 1822:375 [The philosophy of zoology v. 2; ref. 5063] South Seas. No types known. •Synonym of Eptatretus cirrhatus (Forster 1801) -- (Mincarone & Fernholm 2010:783 [ref. 30926], Zintzen et al. 2015:366 [ref. 33803]). Current status: Synonym of Eptatretus cirrhatus (Forster 1801). Myxinidae: Eptatretinae. Habitat: marine.

biniplicata, Myxine Richardson [L. R.] & Jowett [J. P.] 1951:3, Figs. 1-3 [Zoological Publications from Victoria University College, Wellington. No. 12; ref. 12911] Cook Strait, New Zealand. Holotype: NMNZ P.4023. Paratypes: NMNZ P.1010 (1). Type catalog: Hardy 1990:5 [ref. 18942], Ibarra & Stewart 1987:59 [ref. 12367] wrongly with a type. •Valid as Neomyxine biniplicata (Richardson & Jowett 1951) -- (Paulin et al. 1989:9 [ref. 24556], Fernholm 1998:35 [ref. 23976], Mok 1999:61 [ref. 24095], Mincarone & Stewart 2006:227 [ref. 28682], Knapp et al. 2011:405 [ref. 37507], Zintzen et al. 2015:379 [ref. 33803], Zintzen et al. 2015:32 [ref. 34212]). Current status: Valid as Neomyxine biniplicata (Richardson & Jowett 1951). Myxinidae: Myxininae. Distribution: Southwestern Pacific: New Zealand. Habitat: marine.

bischoffii, Bdellostoma Schneider [A.] 1880:116 [Archiv für Naturgeschichte v. 46 (pt. 1); ref. 21132] No locality [s. Chile]. No types known. •Valid as Eptatretus bischoffii (Schneider 1880) -- (Wisner & McMillan 1988:236 [ref. 6335] as bischoffi, Pequeño 1989:5 [ref. 14125] as bischoffi, Fernholm 1998:34 [ref. 23976] as bischoffli, Knapp et al. 2011:404 [ref. 37507], Fernholm et al. 2013:5 [ref. 32793]). Current status: Valid as Eptatretus bischoffii (Schneider 1880). Myxinidae: Eptatretinae. Distribution: Southeastern Pacific: Chile. Habitat: marine.

bobwisneri, Eptatretus Fernholm [B.], Norén [M.], Kullander [S. O.], Quattrini [A. M.], Zintzen [V.] et al. 2013:6 [Journal of Zoological Systematics and Evolutionary Research = Zeitschrift für zoologische Systematik und Evolutionsforschung v. 51 (no. 4); ref. 32793] Galápagos Islands, 0°28.0'S, 91°37.2'W, depth 1848 feet [563 meters]. Holotype: CAS 86429. Paratypes: SIO 97-76 [ex CAS 86430] (1). Replacement for Eptatretus wisneri McMillan 1999, preoccupied by Paramyxine wisneri Kuo et al. 1994 when in Eptatretus. •Valid as Eptatretus bobwisneri Fernholm, Norén, Kullander, Quattrini, Zintzen, Roberts, Mok & Kuo 2013 -- (Angulo & Del Moral-Flores 2016:100 [ref. 34472], Mincarone 2017:2 [ref. 35376], Mincarone et al. 2021:4 [ref. 38120], Grove et al. 2022:15 [ref. 41326]). Replacement Name. Current status: Valid as Eptatretus bobwisneri Fernholm, Norén, Kullander, Quattrini, Zintzen et al. 2013. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

burgeri, Bdellostoma Girard [C. F.] 1855:252 [48] [Contributions to the fauna of Chile; ref. 4912] Simabara Bay, Japan. Holotype (unique) (?): whereabouts unknown. Based on Heptatrema cirrhatum of Temminck & Schlegel 1850:310, Pl. 143. •Valid as Eptatretus burgeri (Girard 1855) -- (Kanayama in Okamura et al. 1982:307 [ref. 8256], Sato in Masuda et al. 1984:1 [ref. 6441], Fernholm 1991:117 [ref. 20219], Kuo et al. 1994:128 [ref. 21435], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Mok 1999:61 [ref. 24095], Nakabo 2000:109 [ref. 25086], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:236 [ref. 25664], Shinohara et al. 2001:286 [ref. 25995], Nakabo 2002:109 [ref. 26001], Choi et al. 2003:37, 465 [ref. 26218], McMillan & Wisner 2004:53 [ref. 27692], Shinohara et al. 2005:391 [ref. 28370], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Shinohara et al. 2014:229 [ref. 33330], Mincarone 2017:2 [ref. 35376], Kim et al. 2020:35 [ref. 39118], Song & Kim 2020:90 [ref. 37441], Sonoyama et al. 2020:5 [ref. 37637]). Current status: Valid as Eptatretus burgeri (Girard 1855). Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: Taiwan to Korea and Japan. Habitat: marine.

caesiovitta, Neomyxine Stewart [C. D.] & Zintzen [V.] in Zintzen et al. 2015:384, Figs. 2, 4, 6 [Zoological Journal of the Linnean Society 174; ref. 33803] Off White Island, New Zealand, 37°31.229′S, 177°15.984′E, depth 914 meters. Holotype: NMNZ P.44013. Paratypes: CSIRO, NMNZ, NRM, USNM. •Valid as Neomyxine caesiovitta Stewart & Zintzen 2015 -- (Zintzen et al. 2015:27 [ref. 34212]). Current status: Valid as Neomyxine caesiovitta Stewart & Zintzen 2015. Myxinidae: Eptatretinae. Distribution: New Zealand. Habitat: marine.

capensis, Myxine Regan [C. T.] 1913:398 [Annals and Magazine of Natural History (Series 8) v. 11 (no. 64); ref. 18513] Cape of Good Hope, South Africa, depth 110 fathoms. Holotype (unique): BMNH 1898.12.17.35. •Valid as Myxine capensis Regan 1913 -- (Fernholm 1981:79 [ref. 8606], Fernholm 1986:36 [ref. 6283], Bianchi & Carpenter in Bianchi et al. 1993:65 [ref. 25472], Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:806 [ref. 31490], Almeida & Biscoito 2019:24 [ref. 37302], Mincarone 2022:383 [ref. 39656]). Current status: Valid as Myxine capensis Regan 1913. Myxinidae: Myxininae. Distribution: Eastern Atlantic, southwestern Indian Ocean: Guinea south to Cape of Good Hope (South Africa), the north to Maputo (Mozambique). Habitat: marine.

caribbeaus, Eptatretus Fernholm [B.] 1982:435 [Bulletin of Marine Science v. 32 (no. 2); ref. 8485] Caribbean Sea, 16°55'N, 81°12'W, Oregon station 1886, depth 500 meters. Holotype: MCZ 40409. Paratypes: UF 27892 (1), 27894-95 (1, 1); USNM 218405 [ex UP 523] (1). •Valid as Eptatretus caribbeaus Fernholm 1982 -- (Hensley 1985:866 [ref. 6783], Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], Mincarone 2000:826 [ref. 25198], Mok et al. 2001:1026 [ref. 25820], Fernholm 2003:355 [ref. 26983], Mincarone & Stewart 2006:227 [ref. 28682], Fernholm & Mincarone 2010:1002 [ref. 30998], Knapp et al. 2011:404 [ref. 37507], Zintzen et al. 2015:371 [ref. 33803], Angulo & Del Moral-Flores 2016:101 [ref. 34472], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus caribbeaus Fernholm 1982. Myxinidae: Eptatretinae. Distribution: Western Atlantic: Quintana Roo (Mexico) south to Panama (western Caribbean Sea). IUCN (2011): Least Concern. Habitat: marine.

carlhubbsi, Eptatretus McMillan [C. B.] & Wisner [R. L.] 1984:256, Figs. 2, 3(1), 5(1-9), 6 [Proceedings of the California Academy of Sciences (Series 4) v. 43 (no. 16); ref. 12290] Near Wake Island, 19°18'N, 166°33.5'E, central Pacific, depth 1574 meters. Holotype: SIO 68-473. Paratypes: BPBM 27848 (1), 27851 (1); CAS 50705-06 (1, 1); SIO 68-473 (1), 82-63 (1); USNM 227440 (1), 233742 (1). •Valid as Eptatretus carlhubbsi Wisner & McMillan 1984 -- (Fernholm 1991:117 [ref. 20219], Fernholm & Paxton 1998:1192 [ref. 23784], Fernholm 1998:34 [ref. 23976], Myers & Donaldson 2003:609 [ref. 27495] as Eptaptretus, Mundy 2005:86 [ref. 28379], Mincarone & Stewart 2006:225 [ref. 28682], Fernholm & Mincarone 2010:1002 [ref. 30998], Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus carlhubbsi McMillan & Wisner 1984. Myxinidae: Eptatretinae. Distribution: Western and central Pacific: Guam, Horizon Seamount (near Wake Island), Hawaiian Islands. Habitat: marine.

cheni, Paramyxine Shen [S.-C.] & Tao [H.-J.] 1975:71, Fig. 3 [Chinese Bioscience v. 2; ref. 19563] Southwestern Taiwan, 20˚28.0'N, 120˚26.3'E, depth 180 meters. Holotype: NTUM 7502711 (ex 02723). Paratypes: (3) NTUM 7502712 (1), 7502713 (1), 7502714 (1). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine cheni Shen & Tao 1975 -- (Kuo et al. 1994:132 [ref. 21435], Wisner 1999:308 [ref. 24160], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:237 [ref. 25664], McMillan & Wisner 2004:59 [ref. 27692], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus cheni (Shen & Tao 1975) -- (Fernholm 1998:34 [ref. 23976], Mok 1999:61 [ref. 24095], Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine, Ho & Shao 2011:16 [ref. 31432], Song & Kim 2020:88 [ref. 37441]). Current status: Valid as Eptatretus cheni (Shen & Tao 1975). Myxinidae: Eptatretinae. Distribution: Western Pacific: southwestern Taiwan. Habitat: marine.

chinensis, Eptatretus Kuo [C.-H.] & Mok [H.-K.] 1994:246, Figs. 2-3 [Zoological Studies v. 33 (no. 4); ref. 21658] South China Sea, off southeastern Taiwan, 19°37'N, 113°14'E, depth 600 meters. Holotype: NSYU 2866. Paratypes: NSYU 2867 (2). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine chinensis (Kuo & Mok 1994) -- (Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus chinensis Kuo & Mok 1994 -- (Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Paxton in Randall & Lim 2000:577 [ref. 25122], McMillan & Wisner 2004:54 [ref. 27692], Kuo et al. 2010:856 [ref. 31001], Ho & Shao 2011:16 [ref. 31432], Mincarone & McCosker 2014:347 [ref. 33284]). Current status: Valid as Eptatretus chinensis Kuo & Mok 1994. Myxinidae: Eptatretinae. Distribution: Western Pacific: southeastern Taiwan. Habitat: marine.

circifrons, Myxine Garman [S.] 1899:344, Pl. 68 (figs. 1-4) [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Gulf of Panama, eastern Pacific, 7°30'36"N, 78°39'W, Albatross station 3395, depth 730 fathoms. Syntypes: MCZ 28419 (2), 91374 (1). •Valid as Myxine circifrons Garman 1899 -- (Hensley 1991:1042 [ref. 20042], Wisner & McMillan 1995:533 [ref. 21653], Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Chirichigno F. & Vélez D. 1998:28 [ref. 24555], McMillan 1999:110 [ref. 23612], Mok 1999:61 [ref. 24095], Mincarone 2001:483 [ref. 25369], Mok & Kuo 2001:295 [ref. 25547], Love et al. 2005:1 [ref. 37547], Møller et al. 2005:379 [ref. 28233], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:110 [ref. 34472], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:58 [ref. 41622]). Current status: Valid as Myxine circifrons Garman 1899. Myxinidae: Myxininae. Distribution: Eastern Pacific: San Francisco (California, U.S.A.) south to Chile. Habitat: marine.

cirrhatum, Heptatrema Temminck [C. J.] & Schlegel [H.] 1850:310, Pl. 143 [Fauna Japonica Last part (15); ref. 4375] Type catalog: Boeseman 1947:228 [ref. 12876]. Considered a misidentification of Petromyzon cirratus Forster in Bloch & Schneider, but placed into the correct group (hagfishes). •In the synonymy of Eptatretus burgeri (Girard 1855). Current status: Synonym of Eptatretus burgeri (Girard 1855). Myxinidae: Eptatretinae.

cirrhatus, Petromyzon Forster [J. R.] in Bloch & Schneider 1801:532 [M. E. Blochii, Systema Ichthyologiae; ref. 471] Saturday Cove, Breaksea Sound, Fiordland, New Zealand, 45°35.880′S, 166°43.717′E, depth 20-30 meters. Neotype: NMNZ P.055326. Based on description in manuscript by Forster (Johann Reinhold Forster, 1729-1798, German explorer and naturalist of Cook's second voyage). •Valid as Eptatretus cirrhatus (Forster 1801) -- (Paxton et al. 1989:25 [ref. 12442], Paulin et al. 1989:8 [ref. 24556], Shimizu in Amaoka et al. 1990:53 [ref. 16024], Fernholm 1991:117 [ref. 20219], Fernholm & Paxton 1998:1192 [ref. 23784], Fernholm 1998:34 [ref. 23976], Mincarone & Stewart 2006:225 [ref. 28682], Paxton et al. 2006:39 [ref. 28994], Gomon & Mincarone 2008:27 [ref. 30615], Mincarone & Fernholm 2010:781 [ref. 30926], Fernholm & Mincarone 2010:1002 [ref. 30998], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Zintzen et al. 2015:366 [ref. 33803], Zintzen et al. 2015:27 [ref. 34212]). Current status: Valid as Eptatretus cirrhatus (Forster 1801). Myxinidae: Eptatretinae. Distribution: Australia and New Zealand. Habitat: marine.

coecus, Gastrobranchus Bloch [M. E.] 1795:67, Pl. 413 (figs. 1-4) [Naturgeschichte der ausländischen Fische v. 9; ref. 464] Northeastern Atlantic. Syntypes: ZMB 4699 (1), 4703 (1). Type catalog: Paepke & Schmidt 1988:159 [ref. 21041], Paepke 1999:104 [ref. 24282]. Species appeared first in Bloch 1792:245 [ref. 6882] as genus Gastrobranchus but with vernacular species name only (Blindlamprete). Available as above. Unneeded replacement for Myxine glutinosa Linnaeus 1758. Also appeared in Bloch 1797:v. 12, p. 51 [ref. 21381]. Spelled caecus in Lacepède 1798:525 [ref. 2708]. •Synonym of Myxine glutinosa Linnaeus 1758 -- (Vladykov 1973:6 [ref. 7159], Lloris & Rucabado 1991:22 [ref. 22530], Fernholm & Mincarone 2016:1120 [ref. 34543]). Replacement Name. Current status: Synonym of Myxine glutinosa Linnaeus 1758. Myxinidae: Myxininae. Habitat: marine.

cryptus, Eptatretus Roberts [C. D.] & Stewart [A. L.] in Zintzen et al. 2015:371, Figs. 1-2, 4B, 5B-C [Zoological Journal of the Linnean Society 174; ref. 33803] Off Great Barrier Island, New Zealand, 35°30.679′S, 175°33.356′E, depth 681 meters. Holotype: NMNZ P.44217. Paratypes: CSIRO, NMNZ, NRM, USNM. •Valid as Eptatretus cryptus Roberts & Stewart 2015 -- (Zintzen et al. 2015:28 [ref. 34212]). Current status: Valid as Eptatretus cryptus Roberts & Stewart 2015. Myxinidae: Eptatretinae. Distribution: New Zealand. Habitat: marine.

curtissjamesi, Polistotrema Townsend [C. H.] & Nichols [J. T.] 1925:4, Fig. 1 [Bulletin of the American Museum of Natural History v. 52 (art. 1); ref. 4420] Off California, 35°35'N, 121°39'W, Albatross station 5697, depth 585 fathoms. Holotype: USNM 87551 [ex AMNH 8341] (poor condition). Paratypes: (many) AMNH 12843 (1), 12858-61 (1, 1, 1, 1). Originally as Curtiss-jamesi. •Synonym of Eptatretus deani (Evermann & Goldsborough 1907) -- (Wisner & McMillan 1990:793 [ref. 19195]). Current status: Synonym of Eptatretus deani (Evermann & Goldsborough 1907). Myxinidae: Eptatretinae. Habitat: marine.

deani, Polistotrema Evermann [B. W.] & Goldsborough [E. L.] 1907:225, Fig. 1 [Bulletin of the Bureau of Fisheries v. 26 (Doc. 624) (for 1906); ref. 6532] Near Yes Bay, Behm Canal, off Nose Point, Alaska, U.S.A., Albatross station 4238, depth 229-231 fathoms. Holotype: USNM 57820 (poor condition). Paratypes: CAS-SU 20012 (1), USNM 61162 (2, poor condition). Type catalog: Böhlke 1953:8 [ref. 12291]. •Valid as Eptatretus deani (Evermann & Goldsborough 1907) -- (Eschmeyer & Herald 1983:10 [ref. 9277], Wisner & McMillan 1990:793 [ref. 19195], McAllister 1990:25 [ref. 14674], Fernholm 1998:34 [ref. 23976], Mecklenburg et al. 2002:55 [ref. 25968], Nelson et al. 2004:47 [ref. 27807], Love et al. 2005:1 [ref. 37547], Knapp et al. 2011:404 [ref. 37507], Page et al. 2013:47 [ref. 32708], Angulo & Del Moral-Flores 2016:101 [ref. 34472], Kells et al. 2016:60 [ref. 35888], Burton & Lea 2019:26 [ref. 37205], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622]). Current status: Valid as Eptatretus deani (Evermann & Goldsborough 1907). Myxinidae: Eptatretinae. Distribution: Northern and eastern Pacific: northeastern Alaska (U.S.A.) south to Pacific coast of central Baja California (Mdexico), including Guadalupe Island (Mexico). Habitat: marine.

debueni, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:535 [Fishery Bulletin v. 93 (no. 3); ref. 21653] Strait of Magellan, 53°39'S, 70°14'W, depth 300 meters. Holotype: SIO 90-140. Paratypes: SIO 90-140 (1). •Valid as Myxine debueni Wisner & McMillan 1995 -- (Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine debueni Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Southwestern Atlantic: Straits of Magellan. Habitat: marine.

decatrema, Heptatretus Regan [C. T.] 1912:535 [Annals and Magazine of Natural History (Series 8) v. 9 (no. 53); ref. 12438] Chile. Syntypes: BMNH 1899.8.30.19-20 (2 [1 poor condition]). •Valid as Eptatretus decatrema Regan 1912 -- (Fernholm 1998:34 [ref. 23976]). •Synonym of Eptatretus bischoffii (Schneider 1880) -- (Wisner & McMillan 1988:236 [ref. 6335] as bischoffi). Current status: Synonym of Eptatretus bischoffii (Schneider 1880). Myxinidae: Eptatretinae. Habitat: marine.

dombey, Gastrobranche Lacepède [B. G. E.] 1798:531, Fig. [Histoire naturelle des poissons (Lacepède) v. 1; ref. 2708] Holotype (unique): MNHN (dry skin, apparently lost). Perhaps not available, vernacular name; regarded as available and status uncertain by Wisner & McMillan 1988:236 [ref. 6335]. See account of Eptatretus and of Gastrobranchus dombeyi. Also seen as dombeii. Current status: Unknown. Myxinidae: Eptatretinae.

dombeyi, Gastrobranchus Shaw [G.] (ex Lacepède) 1804:267, Pl. 134 [General zoology or systematic natural history; ref. 4015] South American seas (Chile). Holotype (unique): MNHN (dry skin, apparently lost). Based on Lacepède 1798:534 [ref. 2708], Gastrobranche dombey; if Lacepède's name is considered a vernacular name, then the above appears to be the first Latinization of the name; but also Latinized by Latreille 1804:75 [ref. 17490] as dombey [earliest not researched]. Myxinidae: Eptatretinae. Habitat: marine.

dorsum, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:537 [Fishery Bulletin v. 93 (no. 3); ref. 21653] South Atlantic, 54°25'S, 59°42'W, depth 112 meters. Holotype: ISH 99-1971. Paratypes: SIO 92-21 [ex ZIN 722-966] (1, not yet received at ZIN in 1996). •Valid as Myxine dorsum Wisner & McMillan 1995 -- (Fernholm 1998:35 [ref. 23976], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:381 [ref. 28233]). •Synonym of Myxine knappi Wisner & McMillan 1995 -- (M. Mincarone, pers. comm. 12/2003). Current status: Synonym of Myxine knappi Wisner & McMillan 1995. Myxinidae: Myxininae. Habitat: marine.

elongata, Nemamyxine Richardson [L. R.] 1958:284, Figs. 1-8 [Transactions of the Royal Society of New Zealand v. 85 (pt 2); ref. 3750] 140 meters upstream of mouth of Kaituna River from Bay of Plenty, New Zealand, 37°45.00'S, 176°25.00'E. Holotype (unique): NMNZ P.2006. •Valid as Nemamyxine elongata Richardson 1958 -- (Paulin et al. 1989:9 [ref. 24556], Hardy 1990:5 [ref. 18942], Fernholm 1998:35 [ref. 23976], Mincarone 2001:19 [ref. 26633], Mincarone & Stewart 2006:227 [ref. 28682], Knapp et al. 2011:405 [ref. 37507], Zintzen et al. 2015:377 [ref. 33803], Zintzen et al. 2015:31 [ref. 34212]). Current status: Valid as Nemamyxine elongata Richardson 1958. Myxinidae: Myxininae. Distribution: Southwestern Pacific: New Zealand. Habitat: marine.

eos, Eptatretus Fernholm [B.] 1991:115, Fig. 1 [Japanese Journal of Ichthyology v. 38 (no. 2); ref. 20219] Tasman Sea, west of New Zealand, 39°47.7'-50°.3'S, 167°15.7'-13.5'E, depth 991-1013 meters. Holotype (unique): NMNZ P.24262. •Valid as Eptatretus eos Fernholm 1991 -- (Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Mok et al. 2001:1028 [ref. 25820], Mincarone & Stewart 2006:227 [ref. 28682], Fernholm & Quattrini 2008:131 [ref. 29539], Kuo et al. 2010:862 [ref. 31001], Knapp et al. 2011:404 [ref. 37507]). •Valid as Rubicundus eos (Fernholm 1991) -- (Fernholm et al. 2013:10 [ref. 32793], Zintzen et al. 2015:376 [ref. 33803]). Current status: Valid as Rubicundus eos (Fernholm 1991). Myxinidae: Rubicundinae. Distribution: Southwestern Pacific: Challenger Plateau, west of New Zealand. Habitat: marine.

fernholmi, Eptatretus McMillan [C. B.] & Wisner [R. L.] 2004:55, Fig. 3 [Zoological Studies v. 43 (no. 1); ref. 27692] Off Batag Island, 5.1 miles off Atalaya Pt., east of the southern end of Luzon Island, Philippines, 12°43'51"N, 124°58'50"E, depth 563 meters. Holotype (unique): USNM 207761 (apparently lost). Subjectively invalid, preoccupied in Eptatretus by Paramyxine fernholmi Kuo et al. 1994. A new name was provided for fernholmi McMillan & Wisner 2004; see Eptatretus luzonicus. •Synonym of Eptatretus luzonicus Fernholm, Norén, Kullander, Quattrini, Zintzen, Roberts, Mok & Kuo 2013:7 [ref. 32793]. 2°Homonym. Current status: Synonym of Eptatretus luzonicus Fernholm, Norén, Kullander, Quattrini, Zintzen, Roberts, Mok & Kuo 2013. Myxinidae: Eptatretinae. Habitat: marine.

fernholmi, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:535 [Fishery Bulletin v. 93 (no. 3); ref. 21653] South Atlantic, 49°29'S, 58°56'W, depth 400 meters. Holotype: ISH 257-1978. Paratypes: SIO 90-138 [ex ISH 108-1971] (1), 90-139 (1); ?791-966 (1). •Valid as Myxine fernholmi Wisner & McMillan 1995 -- (Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine fernholmi Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: SoutheasternPacific, southwestern Atlantic: southern Chile, southern Argentina and Falkland Islands. Habitat: marine.

fernholmi, Paramyxine Kuo [C.-H.], Huang [K.-F.] & Mok [H.-K.] 1994:135 [Zoological Studies v. 33 (no. 2); ref. 21435] Southwestern coast of Taiwan. Holotype: NSYU 2864. Paratypes: NSYU 2863 (2). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine fernholmi Kuo, Huang & Mok 1994 -- (Fernholm 1998:34 [ref. 23976], Kuo & Mok 1999:89 [ref. 23992], Mok 1999:61 [ref. 24095], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:237 [ref. 25664], McMillan & Wisner 2004:59 [ref. 27692], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus fernholmi (Kuo, Huang & Mok 1994) -- (Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine in Eptatretus, Ho & Shao 2011:16 [ref. 31432], Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus fernholmi (Kuo, Huang & Mok 1994). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

formosana, Myxine Mok [H.-K.] & Kuo [C.-H.] 2001:295, Fig. 2 [Ichthyological Research v. 48 (no. 3); ref. 25547] Pacific southwest of Taiwan, 22°15'34"N, 120°06'05"E, depth 753 meters. Holotype: NSYU 3038. Paratypes: NSYU 3036 (1), 3037 (119), 3039 (44). Type catalog: Ho & Shao 2011:15 [ref. 31432]. •Valid as Myxine formosana Mok & Kuo 2001 -- (McMillan & Wisner 2004:66 [ref. 27692], Møller et al. 2005:379 [ref. 28233], Kuo et al. 2010:856 [ref. 31001], Ho & Shao 2011:15 [ref. 31432], Knapp et al. 2011:405 [ref. 37507], Mincarone & McCosker 2014:348 [ref. 33284] tentative identification). Current status: Valid as Myxine formosana Mok & Kuo 2001. Myxinidae: Myxininae. Distribution: Western Pacific: Taiwan and Philippines. Habitat: marine.

forsteri, Bdellostoma Müller [J.] 1836:80 [16] [Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1834; ref. 3060] On p. 16 of separate. Unneeded new name for Petromyzon cirrhatus Forster 1801. •Synonym of Eptatretus cirrhatus (Forster 1801) -- (Mincarone & Fernholm 2010:783 [ref. 30926], Zintzen et al. 2015:366 [ref. 33803]). Current status: Synonym of Eptatretus cirrhatus (Forster 1801). Myxinidae: Eptatretinae. Habitat: marine.

fritzi, Eptatretus Wisner [R. L.] & McMillan [C. B.] 1990:791, Fig. 2b [Fishery Bulletin v. 88 (no. 4); ref. 19195] Vicinity of Guadalupe Island, 28°51'N, 118°14'W, Mexico, eastern Pacific, depth 512 meters. Holotype: SIO 66-26. Paratypes: CAS 63201 (15); LACM 44407-1 (15); MOVI 27528-29 [ex SIO 68-664] (2); SIO 63-177 (20), 66-22 (36), 66-23 (195), 66-26 (30), 66-36 (2), 67-60 (120), 72-294 (4); USNM 296318 (15). Type catalog: Soto & Mincarone 2004:9 [ref. 37067]. •Valid as Eptatretus fritzi Wisner & McMillan 1990 -- (Fernholm 1998:34 [ref. 23976], Mok et al. 2001:1026 [ref. 25820], Nelson et al. 2004:48 [ref. 27807], Love et al. 2005:1 [ref. 37547], Page et al. 2013:47 [ref. 32708], Angulo & Del Moral-Flores 2016:102 [ref. 34472], Knapp et al. 2011:404 [ref. 37507], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622]). Current status: Valid as Eptatretus fritzi Wisner & McMillan 1990. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Guadalupe Island (Mexico) endemic. Habitat: marine.

fudgei, Eptatretus Fernholm [B.] & Mincarone [M. M.] 2023:Figs. [Journal of Fish Biology v. 102 (no. 4); ref. 40058] Off northern Bahamas, western North Atlantic. Holotype. Paratype: •Valid as Eptatretus fudgei Fernholm & Mincarone 2023 -- (Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus fudgei Fernholm & Mincarone 2023. Myxinidae: Eptatretinae. Distribution: Western Atlantic: the Bahamas. Habitat: marine.

garmani, Myxine Jordan [D. S.] & Snyder [J. O.] 1901:731, Pl. 30 (upper fig. of head) [Proceedings of the United States National Museum v. 23 (no. 1233); ref. 9568] Off Misaki, Japan. Lectotype: CAS-SU 6665. Paralectotypes: USNM 49981 (2). Type catalog: Böhlke 1953:8 [ref. 12291]. Types: Shinohara & Williams 2006:545 [ref. 31656]. Lectotype selected by Böhlke 1953:8 [ref. 12291]. •Valid as Myxine garmani Jordan & Snyder 1901 -- (Kanayama in Okamura et al. 1982:307 [ref. 8256], Yamakawa in Okamura & Kitajima 1984:35, 292 [ref. 8057], Sato in Masuda et al. 1984:1 [ref. 6441], Hensley 1991:1042 [ref. 20042], Fernholm 1998:35 [ref. 23976], Nakabo 2000:108 [ref. 25086], Mincarone 2001:483 [ref. 25369], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Nakabo 2002:108 [ref. 26001], McMillan & Wisner 2004:67 [ref. 27692], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine garmani Jordan & Snyder 1901. Myxinidae: Myxininae. Distribution: Northwestern Pacific: Japan. Habitat: marine.

glutinosa, Myxine Linnaeus [C.] 1758:650 [Systema Naturae, Ed. X v. 1; ref. 2787] Sweden, North Sea, Northeastern Atlantic; [Argentina] Rhine River at Strasbourg, France. Syntypes: NRM 89 (4). Type catalog: Fernholm & Wheeler 1983:207-208 [ref. 20707]. Originally based on multiple sources and more than one species, lectotype designation needed. •Valid as Myxine glutinosa Linnaeus 1758 -- (Vladykov 1973:6 [ref. 7159], Fernholm 1981:79 [ref. 8606], Fernholm & Vladykov in Whitehead et al. 1984:68 [ref. 13675], Robins & Ray 1986:15 [ref. 23100], Scott & Scott 1988:3 [ref. 25518], Pequeño 1989:5 [ref. 14125], McAllister 1990:25 [ref. 14674], Lloris & Rucabado 1991:22 [ref. 22530], Nakaya in Okamura et al. 1995:45 [ref. 22531], Fernholm 1998:35 [ref. 23976], Mok 1999:61 [ref. 24095], Mok & Kuo 2001:295 [ref. 25547], Bilecenoğlu et al. 2002:172 [ref. 26753], Mok 2002:59 [ref. 25976], Moore et al. 2003:166 [ref. 27076], Nelson et al. 2004:48 [ref. 27807], Møller et al. 2005:381 [ref. 28233], Fricke 2007:28 [ref. 30577], Kuo et al. 2010:856 [ref. 31001], Møller et al. 2010:13 [ref. 31169], Knapp et al. 2011:405 [ref. 37507], Fernholm et al. 2013:11 [ref. 32793], Parin et al. 2014:13 [ref. 33547], Afonso et al. 2016:10, 230 [ref. 36199], Angulo & Del Moral-Flores 2016:112 [ref. 34472], Fernholm & Mincarone 2016:1120 [ref. 34543], Mecklenburg et al. 2018:19 [ref. 36370], Almeida & Biscoito 2019:23 [ref. 37302], Carneiro et al. 2019:15 [ref. 37250], Kovačić et al. 2021:7 [ref. 39014], Simian et al. 2022:373 [ref. 40776], Fricke et al. 2024:58 [ref. 41622]). Current status: Valid as Myxine glutinosa Linnaeus 1758. Myxinidae: Myxininae. Distribution: Western Atlantic: Gulf of Mexico; North Atlantic; western Baltic Sea; North Sea; Mediterranean Sea; northeastern Atlantic: Barents Sea south to Gibraltar, including Azores. Habitat: marine.

goliath, Eptatretus Mincarone [M. M.] & Stewart [A. L.] 2006:225, Figs. 1-2 [Copeia 2006 (no. 2); ref. 28682] Off New Zealand, northeastern North Island, head of Hauraki Canyon, 35°27'54"S, 175°36'08"E, depth 811 meters. Holotype (unique): NMNZ P.40729. •Valid as Eptatretus goliath Mincarone & Stewart 2006 -- (Fernholm & Mincarone 2010:1002 [ref. 30998], Zintzen et al. 2015:374 [ref. 33803], Zintzen et al. 2015:29 [ref. 34212], Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus goliath Mincarone & Stewart 2006. Myxinidae: Eptatretinae. Distribution: Southwestern Pacific: New Zealand. Habitat: marine.

gomoni, Eptatretus Mincarone [M. M.] & Fernholm [B.] 2010:794, Figs. 2E, 7-8 [Journal of Fish Biology v. 77 (no. 4); ref. 30926] West of Shark Bay-Exmouth, Western Australia, Australia, depth 260 meters (trap). Holotype: WAM 31292-003. Paratypes: NMV A.29719-004 (1). •Valid as Eptatretus gomoni Mincarone & Fernholm 2010 -- (Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:810 [ref. 31490], Mincarone & McCosker 2014:348 [ref. 33284], Zintzen et al. 2015:376 [ref. 33803], Mincarone 2017:2 [ref. 35376], Augustina et al. 2022:132 [ref. 39374]). Current status: Valid as Eptatretus gomoni Mincarone & Fernholm 2010. Myxinidae: Eptatretinae. Distribution: Southeastern Indian Ocean: Western Australia (Australia). Habitat: marine.

goslinei, Eptatretus Mincarone [M. M.], Plachetzki [D.], McCord [C. L.], Winegard [T. M.], Fernholm [B.], Gonzalez [C. J.] & Fudge [D. S.] 2021:7, Figs. 2B, 3B [Zoological Journal of the Linnean Society v. 192 (no. 2); ref. 38120] Northwest Isabela Island, between Cabo Berkeley and Punta Flores, Galápagos Islands, 00°01'54.47"N, 91°33'02.12"W, depth 467 meters. Holotype: SIO 19-78. Paratypes: MCCDRS, SIO. •Valid as Eptatretus goslinei Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021 -- (Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Eptatretus goslinei Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

greggi, Myxine Mincarone [M. M.], Plachetzki [D.], McCord [C. L.], Winegard [T. M.], Fernholm [B.], Gonzalez [C. J.] & Fudge [D. S.] 2021:11, Figs. 2F, 4A, 6D [Zoological Journal of the Linnean Society v. 192 (no. 2); ref. 38120] Off northeast Santa Cruz Island, Galápagos Islands, 00°30'57.68"S, 90°10'17.90"W, depth 688 meters. Holotype: SIO 19-82. Paratypes: MCCDRS, SIO. •Valid as Myxine greggi Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021 -- (Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Myxine greggi Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021. Myxinidae: Myxininae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

grouseri, Eptatretus McMillan [C. B.] 1999:114, Fig. 2a [Fishery Bulletin v. 97 (no. 1); ref. 23612] Fernandia Island, Galápagos Islands, 0°14.6'S, 91°26.6'W, depth 2370 feet [722 meters]. Holotype: CAS 86428. Paratypes: SIO 97-77 [ex CAS 86428] (1). •Valid as Eptatretus grouseri McMillan 1999 -- (Mok et al. 2001:1026 [ref. 25820], Mincarone & McCosker 2004:164 [ref. 27642], Fernholm & Quattrini 2008:131 [ref. 29539], McCosker & Rosenblatt 2010:187 [ref. 30957], Knapp et al. 2011:404 [ref. 37507], Angulo & Del Moral-Flores 2016:103 [ref. 34472], Mincarone 2017:2 [ref. 35376], Mincarone et al. 2021:9 [ref. 38120], Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Eptatretus grouseri McMillan 1999. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

heptatrema, Bdellostoma Müller [J.] 1836:79 [15] [Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1834; ref. 3060] South seas. No types known. On p. 15 of separate. •Synonym of Eptatretus cirrhatus (Forster 1801) -- (Mincarone & Fernholm 2010:783 [ref. 30926]). Current status: Synonym of Eptatretus cirrhatus (Forster 1801). Myxinidae: Eptatretinae. Habitat: marine.

heterotrema, Bdellostoma Müller [J.] 1836:79 [15], Pl. 1, Pl. 3 (figs. 1-7), Pl. 6, et al. [Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1834; ref. 3060] Table Bay, Cape of Good Hope, South Africa. Holotype (unique): ZMB 31647. Type catalog: Paepke & Schmidt 1988:158 [ref. 21041] as syntypes. Pl. 1, Pl. 3 (figs. 1-7), Pl. 6, Pl. 7 (figs. 1-5), Pl. 8, Pl. 9 (fig. 4). On p. 15 of separate, perhaps published in 1835. The combination Bdellostoma forsteri var. heterotrema was treated incorrectly as an original description in Müller 1838 by Paepke & Schmidt 1988:158 [ref. 21041]. •Synonym of Eptatretus hexatrema (Müller 1836) -- (Paepke & Schmidt 1988:158 [ref. 21041], Mincarone 2022:382 [ref. 39656]). Current status: Synonym of Eptatretus hexatrema (Müller 1836). Myxinidae: Eptatretinae. Habitat: marine.

hexatrema, Bdellostoma Müller [J.] 1836:79 [15] [Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1834; ref. 3060] Table Bay, Cape of Good Hope, South Africa. Holotype (unique): ZMB 4698. Type catalog: Paepke & Schmidt 1988:159 [ref. 21041] as syntypes. On p. 15 of separate. The combination Bdellostoma forsteri var. hexatrema was treated incorrectly as an original description in Müller 1838 by Paepke & Schmidt 1988:158 [ref. 21041]. •Valid as Eptatretus hexatrema (Müller 1836) -- (Fernholm 1991:117 [ref. 20219], Bianchi & Carpenter in Bianchi et al. 1993:65 [ref. 25472], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:809 [ref. 31490], Mincarone 2017:3, 11 [ref. 35376], Almeida & Biscoito 2019:22 [ref. 37302], Augustina et al. 2022:132 [ref. 39374], Mincarone 2022:382 [ref. 39656]). Current status: Valid as Eptatretus hexatrema (Müller 1836). Myxinidae: Eptatretinae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Walvis Bay (Angola) south to Cape of Good Hope (South Africa), then north to KwaZulu-Natal (South Africa). Habitat: marine.

hubbsi, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:536 [Fishery Bulletin v. 93 (no. 3); ref. 21653] Eastern Pacific, 32°38'N, 118°08°4' [sic] W, depth 2009 meters. Holotype: SIO 65-452. Paratypes: CAS 77360 [ex SIO 65-451] (3), 79536 (10); LACM 45786-1 [ex SIO 65-451] (18); MCZ 101240 (6); SIO 65-452 (82), 68-60 (36), 68-61 (2), 72-176 (8), 73-293 (16), 92-114 (7), 92-115 (7); USNM 325214 [ex SIO 68-676] (16). •Valid as Myxine hubbsi Wisner & McMillan 1995 -- (Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Love et al. 2005:1 [ref. 37547], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:112 [ref. 34472], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:58 [ref. 41622]). Current status: Valid as Myxine hubbsi Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Eastern Pacific: southern California (U.S.A.) south to Chile. Habitat: marine.

hubbsoides, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:536 [Fishery Bulletin v. 93 (no. 3); ref. 21653] South Pacific, 34°00'S, 72°14'W, depth 880 meters. Holotype: SIO 90-143 [ex MNHMC 80047]. Paratypes: SIO 90-141 [ex MNHMC 80043] (1), 90-142 [ex MNHMC 80044] (1). •Valid as Myxine hubbsoides Wisner & McMillan 1995 -- (Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine hubbsoides Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Southeastern Pacific: Chile. Habitat: marine.

indrambaryai, Eptatretus Wongratana [T.] 1984:141, Fig. 1 [Natural History Bulletin of the Siam Society v. 31 (no. 2) (for 1983); ref. 8122] Bay of Bengal, 7°37'02"N, 97°52'00"E, depth 267-400 meters. Holotype: CUB uncat. Paratypes: AMS I.23661-001 (1); BMNH 1983.3.24.1 (1), Div. Exploratory Fishing, Thailand, uncat. (7). Named after Mr. Indrambarya, so indrambaryai is correct. Misspelled once as indambaryai in species heading and indrambaryi in Table 1; otherwise as indrambaryai. Date of publication changed to 1984 on 6 Aug. 2012. •Valid as Eptatretus indrambaryai Wongratana 1984 -- (Fernholm 1998:34 [ref. 23976], McMillan 1999:116 [ref. 23612], Mincarone & Fernholm 2010:797 [ref. 30926], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:809 [ref. 31490], Mincarone & McCosker 2014:348 [ref. 33284], Zintzen et al. 2015:376 [ref. 33803], Mincarone 2017:2 [ref. 35376], Augustina et al. 2022:132 [ref. 39374]). Current status: Valid as Eptatretus indrambaryai Wongratana 1984. Myxinidae: Eptatretinae. Distribution: Eastern Indian Ocean, western Pacific: India to Thailand. Habitat: marine.

ios, Myxine Fernholm [B.] 1981:74, Figs. 1-4 [Journal of Fish Biology v. 19 (no. 1); ref. 8606] Northeastern Atlantic off west Africa, 23°41.4'N, 17°04.1'W, depth 623 meters. Holotype: BMNH 1980.6.4.1. Paratypes: BMNH 1980.6.4.2-14 (13); SIO 80-50 (1), 80-51 (1), ZMUC P02125 (1). Plus additional material. •Valid as Myxine ios Fernholm 1981 -- (Fernholm & Vladykov in Whitehead et al. 1984:68 [ref. 13675], Fernholm 1990:1 [ref. 19313], Hensley 1991:1042 [ref. 20042], Fernholm 1998:35 [ref. 23976], Mincarone 2001:483 [ref. 25369], Mok & Kuo 2001:295 [ref. 25547], Møller et al. 2005:379 [ref. 28233], Tweddle & Anderson 2008:4 [ref. 29604], Møller et al. 2010:13 [ref. 31169], Knapp et al. 2011:405 [ref. 37507], Fernholm & Mincarone 2016:1121 [ref. 34543], Almeida & Biscoito 2019:24 [ref. 37302]). Current status: Valid as Myxine ios Fernholm 1981. Myxinidae: Myxininae. Distribution: Eastern Atlantic: Iceland and British Isles south to Western Sahara, including Azores; off Angola. Habitat: marine.

jespersenae, Myxine Møller [P. R.], Feld [T. K.], Poulsen [I. H.], Thomsen [P. F.] & Thormar [J. G.] 2005:375, Figs. 1-4 [Copeia 2005 (no. 2); ref. 28233] Off West Greenland, Davis Strait, 64°46'N, 55°38'W, depth 905 meters. Holotype: ZMUC P02166. Paratypes: BMNH 2004.9.6.1 (1); HAF 96-13 (1), 2000-023 (1), 2003-002 (1); ISH 431-1986 (1); USNM 378951 (1); ZMUC P02127-28 (2), P02129 (1), P02143 (1), P02145 (1), P02146-47 (2), P02148 (1), P02159-60 (2), P02161 (1), P02162 (1), P02163-64 (2), P02165 (1), P02182 (1 head missing). •Valid as Myxine jespersenae Møller, Feld, Poulsen, Thomsen & Thormar 2005 -- (Møller et al. 2010:13 [ref. 31169], Knapp et al. 2011:405 [ref. 37507], Almeida & Biscoito 2019:24 [ref. 37302]). Current status: Valid as Myxine jespersenae Møller, Feld, Poulsen, Thomsen & Thormar 2005. Myxinidae: Myxininae. Distribution: North Atlantic: Greenland and Iceland. Habitat: marine.

knappi, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:538 [Fishery Bulletin v. 93 (no. 3); ref. 21653] South Atlantic, 49°16'S, 57°02'W, depth 630-650 meters. Holotype: SIO 90-144. Paratypes: SIO 90-144 (2). •Valid as Myxine knappi Wisner & McMillan 1995 -- (Fernholm 1998:35 [ref. 23976], Mincarone & Soto 2001:126 [ref. 37065], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:405 [ref. 37507], Jacobi et al. 2024:203 [ref. 40880]). Current status: Valid as Myxine knappi Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Southwestern Atlantic: Falkland Islands (U.K.) and Patagonia (Argentina). Habitat: marine.

kreffti, Nemamyxine McMillan [C. B.] & Wisner [R. L.] 1982:34 [Archiv für Fischereiwissenschaft v. 32 (nos 1-3) (for 1981); ref. 8308] Off Rio de La Plata, Walther Herwig station 244/66, 36°51'S, 54°01'W, Uruguay EEZ, depth 800 meters. Holotype (unique): ISH [ZMH] 1144-1966. Type catalog: Krefft 1987:72 [ref. 20751]. Original type locality (Argentina) erroneous (see Koerber 2024:28 [ref. 41192]). •Valid as Nemamyxine kreffti McMillan & Wisner 1982 -- (Fernholm 1998:35 [ref. 23976], Mincarone 2001:19 [ref. 26633], Mincarone in Menezes et al. 2003:21 [ref. 27192], Knapp et al. 2011:405 [ref. 37507], Zintzen et al. 2015:379 [ref. 33803], Koerber 2023:37 [ref. 40486], Koerber 2024:28 [ref. 41192]). Current status: Valid as Nemamyxine kreffti McMillan & Wisner 1982. Myxinidae: Myxininae. Distribution: Southwestern Atlantic: southern Brazil south to northern Argentina. Habitat: marine.

kuoi, Myxine Mok [H.-K.] 2002:60 [Zoological Studies v. 41 (no. 1); ref. 25976] Southwestern coast of Taiwan, 22°29'35"N, 120°03'34"E, depth 595 meters. Holotype: NSYU 3176. Paratypes: NSYU 3177-78 (4, 1) Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Myxine kuoi Mok 2002 -- (McMillan & Wisner 2004:68 [ref. 27692], Møller et al. 2005:381 [ref. 28233], Ho & Shao 2011:16 [ref. 31432], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine kuoi Mok 2002. Myxinidae: Myxininae. Distribution: Western Pacific: Taiwan. Habitat: marine.

lakeside, Eptatretus Mincarone [M. M.] & McCosker [J. E.] 2004:163, Figs. 1, 3 [Proceedings of the California Academy of Sciences v. 55 (no. 6); ref. 27642] Off Cabo Douglas, northwestern Fernandina Island, Galápagos Islands, 00°17'30"S, 91°39'36"W, depth 762 meters. Holotype (unique): CAS 201880. •Valid as Eptatretus lakeside Mincarone & McCosker 2004 -- (Fernholm & Quattrini 2008:131 [ref. 29539], McCosker & Rosenblatt 2010:187 [ref. 30957], Knapp et al. 2011:404 [ref. 37507]). •Valid as Rubicundus lakeside (Mincarone & McCosker 2004) -- (Fernholm et al. 2013:10 [ref. 32793], Zintzen et al. 2015:377 [ref. 33803], Angulo & Del Moral-Flores 2016:115 [ref. 34472], Mincarone et al. 2021:3 [ref. 38120], Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Rubicundus lakeside (Mincarone & McCosker 2004). Myxinidae: Rubicundinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

laurahubbsi, Eptatretus McMillan [C. B.] & Wisner [R. L.] 1984:261, Figs. 3(2-3), 5(10) [Proceedings of the California Academy of Sciences (Series 4) v. 43 (no. 16); ref. 12290] Near Más a Tierra, Juan Fernández Islands, 33°31'S, 78°50'W, eastern Pacific, depth 2400 meters. Holotype: SIO 65-643. Paratypes: CAS 49125 (2); MNHNC P.6383 (1); SIO 65-643 (2); USNM 227441 (2). Type catalog: Meléndez C. et al. 1993:6 [ref. 24124]. Original as laurahubbsi but named after a woman so corrected to laurahubbsae. •Valid as Eptatretus laurahubbsae McMillan & Wisner 1984 -- (Wisner & McMillan 1988:232 [ref. 6335], Pequeño 1989:5 [ref. 14125], Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], McMillan 1999:110 [ref. 23612], Mincarone & Stewart 2006:225 [ref. 28682], Fernholm & Mincarone 2010:1002 [ref. 30998], Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus laurahubbsae McMillan & Wisner 1984. Myxinidae: Eptatretinae. Distribution: Southeastern Pacific: Juan Fernández Islands (Chile). Habitat: marine.

lichtensteinii, Hexabranchus Schultze [C. A. S.] 1836:757 [Isis (Oken) v. 29 (no. 10); ref. 3978] Red Sea [erroneous]. Also appeared as new in Schultze 1836:187 [ref. 33948]. Myxinidae: Eptatretinae. Habitat: marine.

limosa, Myxine Girard [C. F.] 1859:223-224 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 10 (for Dec. 1858); ref. 18068] Grand Manan Island, Bay of Fundy, New Brunswick, Canada, depth 50 fathoms. Holotype (unique): USNM 1139 (poor condition). •Synonym of Myxine glutinosa Linnaeus 1758 -- (Vladykov 1973:6 [ref. 7159], Lloris & Rucabado 1991:23 [ref. 22530], Møller et al. 2010:13 [ref. 31169] with question, Mecklenburg et al. 2011:113 [ref. 31212]). •Valid as Myxine limosa Girard 1859 -- (Wisner & McMillan 1995:539 [ref. 21653], Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Fernholm 2003:355 [ref. 26983], Fernholm et al. 2013:11 [ref. 32793], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:58 [ref. 41622]). Current status: Valid as Myxine limosa Girard 1859. Myxinidae: Myxininae. Distribution: Northwestern Atlantic: Canada south to Mexico. Habitat: marine.

limosa, Myxine glutinosa var. Putnam [F. W.] 1874:135 [Proceedings of the Boston Society of Natural History v. 16 (for 1873-1874); ref. 18578] Not available, author states, "I consider these varieties as simply indicating the extremes of variation in the species, and its geographical distribution, and not in any sense distinct forms (N. Atlantic). Infrasubspecific. Myxinidae: Myxininae.

longipinnis, Eptatretus Strahan [R.] 1975:137, Figs. 1, 2a. [Australian Zoologist v. 18 (pt 3); ref. 7475] Southeastern Indian Ocean off Robe, South Australia, 37°10'S, 149°43'E, depth 40 meters. Holotype (unique): SAMA F4042. Type catalog: Glover 1976:169 [ref. 19449]. •Valid as Eptatretus longipinnis Strahan 1975 -- (Paxton et al. 1989:25 [ref. 12442], Fernholm 1991:117 [ref. 20219], Gomon et al. 1994:85 [ref. 22532], Fernholm 1998:34 [ref. 23976], Paxton et al. 2006:39 [ref. 28994], Gomon & Mincarone 2008:27 [ref. 30615], Mincarone & Fernholm 2010:788 [ref. 30926], Kuo et al. 2010:862 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:809 [ref. 31490], Mincarone 2017:2 [ref. 35376], Augustina et al. 2022:132 [ref. 39374]). Current status: Valid as Eptatretus longipinnis Strahan 1975. Myxinidae: Eptatretinae. Distribution: Southeastern Indian Ocean: South Australia (Australia). Habitat: marine.

lopheliae, Eptatretus Fernholm [B.] & Quattrini [A. M.] 2008:127, Figs. 2-4 [Copeia 2008 (no. 1); ref. 29539] Between 34°12.33'N, 75°52.76'W and 34°10.68'N, 75°53.15'W, off North Carolina, U.S.A., depth 430-438 meters. Holotype: UF 165852. Paratypes: UF 165853 (2). •Valid as Eptatretus lopheliae Fernholm & Quattrini 2008 -- (Knapp et al. 2011:404 [ref. 37507]). •Valid as Rubicundus lopheliae (Fernholm & Quattrini 2008) -- (Fernholm et al. 2013:5 [ref. 32793], Polanco Fernandez & Fernholm 2014:531 [ref. 33535], Zintzen et al. 2015:377 [ref. 33803], Page et al. 2023:35 [ref. 40505], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Rubicundus lopheliae (Fernholm & Quattrini 2008). Myxinidae: Rubicundinae. Distribution: Northwestern Atlantic: North Carolina (U.S.A.). Habitat: marine.

luzonicus, Eptatretus Fernholm [B.], Norén [M.], Kullander [S. O.], Quattrini [A. M.], Zintzen [V.], Roberts [C. D.], Mok [H.-K.] & Kuo [C.-H.] 2013:6 [Journal of Zoological Systematics and Evolutionary Research = Zeitschrift für zoologische Systematik und Evolutionsforschung v. 51 (no. 4); ref. 32793] Off Batag Island, 5.1 miles off Atalaya Pt., east of the southern end of Luzon Island, Philippines, 12°43'51"N, 124°58'50"E, depth 563 meters. Holotype (unique): USNM 207761. Replacement name for Eptatretus fernholmi McMillan & Wisner 2004, preoccupied by Paramyxine fernholmi Kuo et al 1994. The holotype was reported as lost, but found in 2012 at SIO by Mincarone. •Valid as Eptatretus luzonicus Fernholm, Norén, Kullander, Quattrini, Zintzen, Roberts, Mok & Kuo 2013 -- (Mincarone & McCosker 2014:343 [ref. 33284], Zintzen et al. 2015:376 [ref. 33803], Mincarone 2017:2 [ref. 35376]). Replacement Name. Current status: Valid as Eptatretus luzonicus Fernholm, Norén, Kullander, Quattrini, Zintzen, Roberts, Mok & Kuo 2013. Myxinidae: Eptatretinae. Distribution: Philippines. Habitat: marine.

martinii, Myxine Mincarone [M. M.], Plachetzki [D.], McCord [C. L.], Winegard [T. M.], Fernholm [B.], Gonzalez [C. J.] & Fudge [D. S.] 2021:12, Figs. 2G, 4B [Zoological Journal of the Linnean Society v. 192 (no. 2); ref. 38120] Northwest Fernandina Island, Cabo Douglas, Galápagos Islands, 00°17'37.94"S, 91°39'18.10"W, 557 meters. Holotype: SIO 19-85. Paratype: SIO 19-80 (1). •Valid as Myxine martinii Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021 -- (Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Myxine martinii Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021. Myxinidae: Myxininae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

mcconnaugheyi, Eptatretus Wisner [R. L.] & McMillan [C. B.] 1990:790, Figs. 2a, 3 [Fishery Bulletin v. 88 (no. 4); ref. 19195] Off southern California, 32°32'00"N, 117°21'07"W, U.S.A., depth 148 meters. Holotype: SIO 69-231E. Paratypes: CAS 63203 (7); LACM 44409-1 (6); SIO 68-126 (5), 69-228B (14), 69-231E (7), 71-114 (7); USNM 296320 (7). Additional material: SIO (13 lots, 52). •Valid as Eptatretus mcconnaugheyi Wisner & McMillan 1990 -- (Fernholm 1998:34 [ref. 23976], Nelson et al. 2004:48 [ref. 27807], Love et al. 2005:1 [ref. 37547], Knapp et al. 2011:404 [ref. 37507], Page et al. 2013:48 [ref. 32708], Angulo & Del Moral-Flores 2016:104 [ref. 34472], Kells et al. 2016:347 [ref. 35888], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622]). Current status: Valid as Eptatretus mcconnaugheyi Wisner & McMillan 1990. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: southern California (U.S.A.) south to Pacific coast of Baja California (Mexico), including Gulf of California (Mexico). Habitat: marine.

mccoskeri, Eptatretus McMillan [C. B.] 1999:115, Figs. 2d-g [Fishery Bulletin v. 97 (no. 1); ref. 23612] Galápagos Islands, 1°06.3'S, 89°06.9'W, depth 704 feet [215 meters]. Holotype: CAS 86431. Paratypes: SIO 97-75 (2), USNM 344905 (1). •Valid as Eptatretus mccoskeri McMillan 1999 -- (Mok et al. 2001:1026 [ref. 25820], Mincarone & McCosker 2004:164 [ref. 27642], Mincarone & Fernholm 2010:797 [ref. 30926], McCosker & Rosenblatt 2010:187 [ref. 30957], Knapp et al. 2011:404 [ref. 37507], Mincarone & McCosker 2014:348 [ref. 33284], Angulo & Del Moral-Flores 2016:105 [ref. 34472], Mincarone et al. 2021:10 [ref. 38120], Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Eptatretus mccoskeri McMillan 1999. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

mccoskeri, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:534 [Fishery Bulletin v. 93 (no. 3); ref. 21653] Southeastern Caribbean Sea, 9°39'N, 78°60'W, depth 530-560 meters. Holotype: SIO 70-363. Paratypes: CAS 79537 [ex UMML 29884] (2); MCZ 41634 (1), 48809 (2); SIO 70-363 (2), 90-117 [ex UMML 29269] (1); USNM 325212 [ex UMML 28722] (2). •Valid as Myxine mccoskeri Wisner & McMillan 1995 -- (Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Fernholm 2003:355 [ref. 26983], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:113 [ref. 34472]). Current status: Valid as Myxine mccoskeri Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Western Atlantic: Caribbean Sea. Habitat: marine.

mcmillanae, Myxine Hensley [D. A.] 1991:1040, Fig. 1 [Copeia 1991 (no. 4); ref. 20042] Greater Antilles, Caribbean Sea, 17°51'48"N, 66°58'54"W, depth 925 meters. Holotype: USNM 308405. Paratypes: SIO 90-21 (11), 90-22 (2); UF 81724 (4); UPRM 3756-57 (2, 2); USNM 308406-07 (20, 1). •Valid as Myxine mcmillanae Hensley 1991 -- (Wisner & McMillan 1995:539 [ref. 21653], McEachran & Fechhelm 1998:34 [ref. 23897], Fernholm 1998:35 [ref. 23976], Mincarone 2001:481 [ref. 25369], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:114 [ref. 34472], Page et al. 2023:35 [ref. 40505]). Current status: Valid as Myxine mcmillanae Hensley 1991. Myxinidae: Myxininae. Distribution: Western Atlantic: Gulf of Mexico and Caribbean Sea. Habitat: marine.

mendozai, Eptatretus Hensley [D. A.] 1985:866, Figs. 1-2 [Copeia 1985 (no. 4); ref. 6783] Off southwestern coast of Puerto Rico, 17°50.4'N, 66°59.8'W, depth about 1100 meters. Holotype: USNM 268923. Paratypes: FMNH 96416 (3), SIO 85-30 (1), UF 42100 (2), UPR 3650 (1), USNM 268924 (4). •Valid as Eptatretus mendozai Hensley 1985 -- (Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Mincarone 2000:816 [ref. 25198], Mok et al. 2001:1026 [ref. 25820], Fernholm 2003:355 [ref. 26983], Mincarone & Fernholm 2010:797 [ref. 30926], Knapp et al. 2011:404 [ref. 37507], Angulo & Del Moral-Flores 2016:105 [ref. 34472], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus mendozai Hensley 1985. Myxinidae: Eptatretinae. Distribution: Western Atlantic: Caribbean Sea. Habitat: marine.

menezesi, Eptatretus Mincarone [M. M.] 2000:816, Fig. 2 [Bulletin of Marine Science v. 67 (no. 2); ref. 25198] Santa Catarina, Brazil, 29°14'S, 48°02'W, depth 250 meters. Holotype: MOVI 14729. Paratypes: MCP 21156 (1); MOVI 06081 (1), 06084 (1), 13347 (1), 13349 (1), 14730 (1); MZUSP 51418-19 (1, 1), 51422 (1), 52492 (2). Type catalog: Soto & Mincarone 2004:10 [ref. 37067]. •Valid as Eptatretus menezesi Mincarone 2000 -- (Mincarone in Menezes et al. 2003:21 [ref. 27192], Mincarone & Stewart 2006:227 [ref. 28682], Fernholm & Mincarone 2010:1002 [ref. 30998], Knapp et al. 2011:404 [ref. 37507], Zintzen et al. 2015:371 [ref. 33803], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus menezesi Mincarone 2000. Myxinidae: Eptatretinae. Distribution: Southwestern Atlantic: off southeastern and southern Brazil. Habitat: marine.

minor, Eptatretus Fernholm [B.] & Hubbs [C. L.] 1981:78, Fig. 7 [United States National Marine Fisheries Service Fishery Bulletin v. 79 (no. 1); ref. 8605] Gulf of Mexico, 24°34'N, 83°34'W, Oregon station 1009, depth 370 meters. Holotype: USNM 164119. Paratypes: USNM 218399 (2); plus other material. •Valid as Eptatretus minor Fernholm & Hubbs 1981 -- (Hensley 1985:866 [ref. 6783], Fernholm 1991:117 [ref. 20219], McEachran & Fechhelm 1998:32 [ref. 23897], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Mincarone 2000:816 [ref. 25198], Mok et al. 2001:1026 [ref. 25820], Fernholm 2003:355 [ref. 26983], Mincarone & Fernholm 2010:797 [ref. 30926], Knapp et al. 2011:404 [ref. 37507], Angulo & Del Moral-Flores 2016:106 [ref. 34472], Song & Kim 2020:90 [ref. 37441], Castillo Domínguez et al. 2023:7 [ref. 40663], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus minor Fernholm & Hubbs 1981. Myxinidae: Eptatretinae. Distribution: Western Atlantic: northern and western Gulf of Mexico (U.S.A., Mexico) endemic. IUCN (2011): Data Deficient. Habitat: marine.

moki, Paramyxine McMillan [C. B.] & Wisner [R. L.] 2004:60, Fig. 6 [Zoological Studies v. 43 (no. 1); ref. 27692] Koajiro-wan off Kanagawan-ken, Sagami Bay, 10 meters north of Misaki Marine Biological Station, eastern coast of Honshu Island, Japan, depth 100 meters. Holotype: SIO 87-104. Paratypes: SIO 87-104 (8). •Valid as Paramyxine moki McMillan & Wisner 2004 -- (Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus moki (McMillan & Wisner 2004) -- (Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine). Current status: Valid as Eptatretus moki (McMillan & Wisner 2004). Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: Sagami Bay, Honshu (Japan). Habitat: marine.

multidens, Eptatretus Fernholm [B.] & Hubbs [C. L.] 1981:80, Fig. 8 [United States National Marine Fisheries Service Fishery Bulletin v. 79 (no. 1); ref. 8605] Caribbean Sea, 12°52'N, 70°43'W, depth 510 meters. Holotype: USNM 218401. Paratypes: USNM 218402-04 (1, 1, 1). •Valid as Eptatretus multidens Ferhholm & Hubbs 1981 -- (Hensley 1985:866 [ref. 6783], Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Mincarone 2000:816 [ref. 25198], Mok et al. 2001:1026 [ref. 25820], Fernholm 2003:355 [ref. 26983], Mincarone & Sampaio 2004:33 [ref. 27820], Mincarone & Fernholm 2010:797 [ref. 30926], Knapp et al. 2011:404 [ref. 37507], Angulo & Del Moral-Flores 2016:106 [ref. 34472], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus multidens Fernholm & Hubbs 1981. Myxinidae: Eptatretinae. Distribution: Western Atlantic: Caribbean Sea and off northeastern Brazil. Habitat: marine.

myxine, Petromyzon Walbaum [J. J.] 1792:500 [Petri Artedi sueci genera piscium Part 3; ref. 4572] No locality stated. •Synonym of Myxine glutinosa Linnaeus 1758 -- (Fernholm & Mincarone 2016:1120 [ref. 34543]). Current status: Synonym of Myxine glutinosa Linnaeus 1758. Myxinidae: Myxininae. Habitat: marine.

nanii, Eptatretus Wisner [R. L.] & McMillan [C. B.] 1988:234, Fig. 3B [Transactions of the San Diego Society of Natural History v. 21 (no. 14); ref. 6335] About 33.4 kilometers off Valparaíso, Chile, depth 274 meters. Holotype: SIO 65-675. Paratypes: CAS 56512 [not 5612] (2); GCRL 12464 (1), LACM 43776-1 (2); MNHNC P.6378 (1), P.6381-82 (1, 1); SIO 65-675 (4), 81-104 (1), 84-244 (1), 85-60 (1); USNM 272583 (6). Type catalog: Meléndez C. et al. 1993:6 [ref. 24124]. •Valid as Eptatretus nanii Wisner & McMillan 1988 -- (Pequeño 1989:5 [ref. 14125], Fernholm 1998:34 [ref. 23976], Knapp et al. 2011:404 [ref. 37507], Fernholm et al. 2013:5 [ref. 32793]). Current status: Valid as Eptatretus nanii Wisner & McMillan 1988. Myxinidae: Eptatretinae. Distribution: Southeastern Pacific: Chile. Habitat: marine.

nelsoni, Paramyxine Kuo [C.-H.], Huang [K.-F.] & Mok [H.-K.] 1994:131 [Zoological Studies v. 33 (no. 2); ref. 21435] Southwestern coast of Taiwan, depth 50-200 meters. Holotype (unique): NSYU 2857. Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine nelsoni Kuo, Huang & Mok 1994 -- (Fernholm 1998:34 [ref. 23976], Kuo & Mok 1999:89 [ref. 23992], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:237 [ref. 25664], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Quadratus nelsoni (Kuo, Huang & Mok 1994) -- (Mok et al. 2001:1031 [ref. 25820], McMillan & Wisner 2004:63 [ref. 27692]). •Valid as Eptatretus nelsoni (Kuo, Huang & Mok 1994) -- (Fernholm 1998:34 [ref. 23976] based on placement of Paramyxine, Ho & Shao 2011:16 [ref. 31432], Song & Kim 2020:88 [ref. 37441]). Current status: Valid as Eptatretus nelsoni (Kuo, Huang & Mok 1994). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

octatrema, Heptatretus Barnard [K. H.] 1923:439 [Annals of the South African Museum v. 13 (pt 8, no. 14); ref. 191] Agulhas Bank, South Africa, southeastern Atlantic, depth 25-40 fathoms [46-73 meters]. Syntypes: BMNH 1927.12.6.1 [ex SAM] (1), SAM 13030 (1). •Valid as Eptatretus octatrema (Barnard 1923) -- (Fernholm 1986:36 [ref. 6283], Fernholm 1998:34 [ref. 23976], McMillan 1999:116 [ref. 23612], Mincarone & Fernholm 2010:798 [ref. 30926], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:809 [ref. 31490], Mincarone & McCosker 2014:348 [ref. 33284], Zintzen et al. 2015:376 [ref. 33803], Mincarone 2017:6, 11 [ref. 35376], Almeida & Biscoito 2019:23 [ref. 37302], Augustina et al. 2022:132 [ref. 39374], Mincarone 2022:382 [ref. 39656]). Current status: Valid as Eptatretus octatrema (Barnard 1923). Myxinidae: Eptatretinae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Western Cape east to Mossel Bay (South Africa). Habitat: marine.

okinoseana, Homea Dean [B.] 1904:8, 20, Fig. 2B; Pl. 1 (fig. 1) [Journal of the College of Science. Imperial University, Tokyo v. 19 (art. 2); ref. 1094] Off Misaki, Sagami Sea, Japan, depth 400 fathoms. Syntypes: Columbia Univ. (1), ZUMT 1449 (1, lost), 1450 (1, lost). Type catalog: Aizawa et al. 2022:191 [ref. 39648]. •Valid as Eptatretus okinoseanus (Dean 1904) -- (Kanayama in Okamura et al. 1982:39, 307 [ref. 8256], Yamakawa in Okamura & Kitajima 1984:35, 292 [ref. 8057], Sato in Masuda et al. 1984:1 [ref. 6441], Kuo et al. 1994:127 [ref. 21435], Fernholm 1998:34 [ref. 23976], McMillan 1999:116 [ref. 23612], Nakabo 2000:109 [ref. 25086], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:237 [ref. 25664], Shinohara et al. 2001:286 [ref. 25995], Nakabo 2002:109 [ref. 26001], McMillan & Wisner 2004:56 [ref. 27692], Shinohara et al. 2005:391 [ref. 28370], Mincarone & Fernholm 2010:798 [ref. 30926], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Shinohara et al. 2011:38 [ref. 31715], Mincarone & McCosker 2014:348 [ref. 33284], Shinohara et al. 2014:230 [ref. 33330], Zintzen et al. 2015:376 [ref. 33803], Mincarone 2017:2 [ref. 35376], Song & Kim 2020:88 [ref. 37441]). Current status: Valid as Eptatretus okinoseanus (Dean 1904). Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: East China Sea to Japan. Habitat: marine.

olivacea, Muraenoblenna Lacepède [B. G. E.] 1803:652, 653 [Histoire naturelle des poissons (Lacepède) v. 5; ref. 4930] Strait of Magellan. No types known. Type catalog: Bauchot et al. 1993:126 [ref. 20810]. Nomen dubium; possibly the same as the younger Myxine affinis Günther 1870;M. affinis is the name in prevailing usage. •Synonym of Myxine glutinosa Linnaeus 1758 -- (deduced from Lloris & Rucabado 1991:23 [ref. 22530]). •In the synonymy of the younger Myxine affinis Günther 1870 as nomen dubium -- (Wisner & McMillan 1995:539 [ref. 21653]). Nomen Dubium. Current status: Uncertain as Myxine affinis Günther 1870. Myxinidae: Myxininae. Habitat: marine.

paucidens, Myxine Regan [C. T.] 1913:396 [Annals and Magazine of Natural History (Series 8) v. 11 (no. 64); ref. 18513] *Hyalonema* Ground, Japan, depth 345 fathoms. Syntypes: BMNH 1879.5.14.444 (1), 1912.11.28.6 (1). •Valid as Myxine paucidens Regan 1913 -- (Sato in Masuda et al. 1984:1 [ref. 6441], Fernholm 1998:35 [ref. 23976], Nakabo 2000:108 [ref. 25086], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Mok 2002:59 [ref. 25976], Nakabo 2002:108 [ref. 26001], McMillan & Wisner 2004:68 [ref. 27692], Møller et al. 2005:381 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine paucidens Regan 1913. Myxinidae: Myxininae. Distribution: Northwestern Pacific: Japan. Habitat: marine.

pequenoi, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:537 [Fishery Bulletin v. 93 (no. 3); ref. 21653] Chile, 41°29'S, 74°09'W, depth 215 meters. Holotype: SIO 90-145. Paratypes: SIO 90-146 (1). •Valid as Myxine pequenoi Wisner & McMillan 1995 -- (Pequeño 1997:78 [ref. 23536], Fernholm 1998:35 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Mok 2002:59 [ref. 25976], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine pequenoi Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Southeastern Pacific: Chile. Habitat: marine.

phantasma, Myxine Mincarone [M. M.], Plachetzki [D.], McCord [C. L.], Winegard [T. M.], Fernholm [B.], Gonzalez [C. J.] & Fudge [D. S.] 2021:15, Figs. 2H, 4C, 6E [Zoological Journal of the Linnean Society v. 192 (no. 2); ref. 38120] Off northeast Santa Cruz Island, Galápagos Islands, 00°30'57.68"S, 90°10'17.90"W, 688 meters. Holotype: SIO 19-86. Paratypes: MCCDRS, SIO. •Valid as Myxine phantasma Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021 -- (Grove et al. 2022:15 [ref. 41326]). Current status: Valid as Myxine phantasma Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge 2021. Myxinidae: Myxininae. Distribution: Eastern Pacific: Galápagos Islands (Ecuador) endemic. Habitat: marine.

poicilus, Eptatretus Zintzen [V.] & Roberts [C. D.] in Zintzen et al. 2015:375, Figs. 1-2, 4-5 [Zoological Journal of the Linnean Society 174; ref. 33803] Off Three Kings Island, New Zealand, 34°04.860′S, 172°02.829′E, depth 797 meters. Holotype: NMNZ P.45356. Paratypes: CSIRO, NMNZ, NRM, USNM. Plus additional non-type specimens. •Valid as Eptatretus poicilus Zintzen & Roberts 2015 -- (Zintzen et al. 2015:30 [ref. 34212]). Current status: Valid as Eptatretus poicilus Zintzen & Roberts 2015. Myxinidae: Eptatretinae. Distribution: Off Three Kings Island, New Zealand. Habitat: marine.

polytrema, Bdellostoma Girard [C. F.] 1855:199 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 7; ref. 1819] Off Valparaíso Bay, Chile, depth 50 meters. Neotype: SIO 84-243. Neotype designated by Wisner & McMillan 1988:236 [ref. 6335]. •Valid as Eptatretus polytrema (Girard 1855) -- (Wisner & McMillan 1988:238 [ref. 6335], Pequeño 1989:5 [ref. 14125], Fernholm 1998:34 [ref. 23976], Knapp et al. 2011:404 [ref. 37507], Fernholm et al. 2013:5 [ref. 32793], Zintzen et al. 2015:376 [ref. 33803]). Current status: Valid as Eptatretus polytrema (Girard 1855). Myxinidae: Eptatretinae. Distribution: Southeastern Pacific: Chile. Habitat: marine.

profundus, Heptatretus Barnard [K. H.] 1923:439 [Annals of the South African Museum v. 13 (pt 8, no. 14); ref. 191] Off Cape Point, South Africa, depth 310-560 fathoms [567-1024 meters]. Holotype (unique): SAM 13035. •Valid as Eptatretus profundus (Barnard 1923) -- (Fernholm 1986:36 [ref. 6283], Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], McMillan 1999:115 [ref. 23612], Knapp et al. 2011:404 [ref. 37507], Mincarone et al. 2011:809 [ref. 31490], Mincarone 2017:9, 11 [ref. 35376], Almeida & Biscoito 2019:22 [ref. 37302], Mincarone 2022:383 [ref. 39656]). Current status: Valid as Eptatretus profundus (Barnard 1923). Myxinidae: Eptatretinae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Lambert's Bay east to Cape Agulhas (Western Cape, South Africa). Habitat: marine.

robinsi, Myxine Wisner [R. L.] & McMillan [C. B.] 1995:534 [Fishery Bulletin v. 93 (no. 3); ref. 21653] Atlantic, 11°37'N, 60°50'W, depth 783-1281 meters. Holotype: SIO 90-149 [ex UMML 29270]. Paratypes: MCZ 101239 [ex UMML 22807] (1); SIO 90-149 (1); USNM 325213 [ex UMML 29877] (1). Name corrected by Fernholm 1998:35 [ref. 23976] on Art. 31.1.2 of the Code. Article 32 does not include this as a mandatory change and the spelling robinsi can be maintained. But I believe robinsorsum can be considered as in prevailing usage, and it is suggested that the spelling robinsorum be used. •Valid as Myxine robinsorum Wisner & McMillan 1995 -- (Fernholm 1998:35, 41 [ref. 23976], Mok & Kuo 2001:295 [ref. 25547], Møller et al. 2005:379 [ref. 28233], Knapp et al. 2011:405 [ref. 37507], Angulo & Del Moral-Flores 2016:114 [ref. 34472]). Current status: Valid as Myxine robinsorum Wisner & McMillan 1995. Myxinidae: Myxininae. Distribution: Western Atlantic: Caribbean Sea. Habitat: marine.

rubicundus, Eptatretus Kuo [C.-H.], Lee [S.-C.] & Mok [H.-K.] 2010:858, Figs. 1-3 [Zoological Studies v. 49 (no. 6); ref. 31001] Northeastern Taiwan, 24°56.5'N, 121°53.0'E, depth 800 meters. Holotype (unique): ASIZP 60660. •Valid as Eptatretus rubicundus Kuo, Lee & Mok 2010 -- (Knapp et al. 2011:404 [ref. 37507]). •Valid as Rubicundus rubicundus (Kuo, Lee & Mok 2010) -- (Fernholm et al. 2013:5 [ref. 32793]). Current status: Valid as Rubicundus rubicundus (Kuo, Lee & Mok 2010). Myxinidae: Rubicundinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

septentrionalis, Myxine glutinosa var. Putnam [F. W.] 1874:135 [Proceedings of the Boston Society of Natural History v. 16 (for 1873-1874); ref. 18578] Not available, author states, "I consider these varieties as simply indicating the extremes of variation in the species, and its geographical distribution, and not in any sense distinct forms (N. Atlantic). Infrasubspecific. Myxinidae: Myxininae.

sheni, Paramyxine Kuo [C.-H.], Huang [K.-F.] & Mok [H.-K.] 1994:132 [Zoological Studies v. 33 (no. 2); ref. 21435] Southwestern coast of Taiwan, depth 450 meters. Holotype: NSYU 2585. Paratypes: NSYU 2865 (11). Additional material: NSYU 2859-60 (30, 59). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine sheni Kuo, Huang & Mok 1994 -- (Fernholm 1998:34 [ref. 23976], Kuo & Mok 1999:89 [ref. 23992], Wisner 1999:308 [ref. 24160], Paxton in Randall & Lim 2000:577 [ref. 25122], Mok & Chen 2001:236 [ref. 25664], McMillan & Wisner 2004:59 [ref. 27692], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus sheni (Kuo, Huang & Mok 1994) -- (Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine, Ho & Shao 2011:16 [ref. 31432]). Current status: Valid as Eptatretus sheni (Kuo, Huang & Mok 1994). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

sinus, Eptatretus Wisner [R. L.] & McMillan [C. B.] 1990:792, Fig. 2c [Fishery Bulletin v. 88 (no. 4); ref. 19195] Gulf of California, Mexico, 25°49'N, 110°44'W, depth 708 meters. Holotype: SIO 68-108. Paratypes: CAS 63202 (15): LACM 44408-1 (14); SIO 68-94 (29), 68-100 (60), 68-108 (31); USNM 296319 (15). Additional material: SIO (8 lots, 185). •Valid as Eptatretus sinus Wisner & McMillan 1990 -- (Fernholm 1998:34 [ref. 23976], Mok et al. 2001:1026 [ref. 25820], Nelson et al. 2004:48 [ref. 27807], Knapp et al. 2011:404 [ref. 37507], Page et al. 2013:48 [ref. 32708], Angulo & Del Moral-Flores 2016:107 [ref. 34472], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622]). Current status: Valid as Eptatretus sinus Wisner & McMillan 1990. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: central Gulf of California, Baja California, Baja California Sur and Sonora (Mexico) endemic. Habitat: marine.

sotoi, Myxine Mincarone [M. M.] 2001:480, Fig. 1 [Bulletin of Marine Science v. 68 (no. 3); ref. 25369] Off Santa Catarina, Brazil, 27°28'08"S, 46°53'02"W, depth 810 meters. Holotype: MOVI 14961. Paratypes: MCP 26199 (2); MOVI 14936-41 (6), 14950-60 (11); MZUSP 62879-80 (3, 6); USNM 364209 (1). Type catalog: Soto & Mincarone 2004:14 [ref. 37067]. •Valid as Myxine sotoi Mincarone 2001 -- (Mincarone & Soto 2001:126 [ref. 37065], Mincarone in Menezes et al. 2003:21 [ref. 27192], Knapp et al. 2011:405 [ref. 37507]). Current status: Valid as Myxine sotoi Mincarone 2001. Myxinidae: Myxininae. Distribution: Southwestern Atlantic: off southeastern and southern Brazil. Habitat: marine.

springeri, Paramyxine Bigelow [H. B.] & Schroeder [W. C.] 1952:5, Figs. 1-6 [Breviora No. 8; ref. 12766] Gulf of Mexico, 27°44'N, 85°09'W, Oregon station 489, depth 254 fathoms. Holotype: USNM 161512. Paratypes (listed as additional material): (2) MCZ 37399 (1). •Valid as Paramyxine springeri Bigelow & Schroeder 1952 -- (Wisner 1999:312 [ref. 24160], Mok et al. 2001:1026 [ref. 25820], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus springeri (Bigelow & Schroeder 1952) -- (Fernholm & Hubbs 1981:74 [ref. 8605], Hensley 1985:866 [ref. 6783], Fernholm 1991:117 [ref. 20219], McEachran & Fechhelm 1998:33 [ref. 23897], Fernholm 1998:34 [ref. 23976], Mok 1999:61 [ref. 24095], Mincarone 2000:815 [ref. 25198], Fernholm 2003:355 [ref. 26983], Angulo & Del Moral-Flores 2016:108 [ref. 34472], Castillo Domínguez et al. 2023:7 [ref. 40663], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus springeri (Bigelow & Schroeder 1952). Myxinidae: Eptatretinae. Distribution: Western Atlantic: Florida (U.S.A.), Bahamas, and Cuba south to Costa Rica, including Gulf of Mexico (Mexico, U.S.A., Cuba) and western Caribbean Sea. IUCN (2009): Least Concern. Habitat: marine.

stoutii, Bdellostoma Lockington [W. N.] 1878:793 [American Naturalist v. 12 (no. 12); ref. 17557] Two miles southwest of whistler buoy at entance to Humboldt Bay, California, depth 38-44 meters. Neotype: SIO 68-426. Neotype designated by Wisner & McMillan 1990:796 [ref. 19195]. •Valid as Eptatretus stoutii (Lockington 1878) -- (Eschmeyer & Herald 1983:11 [ref. 9277], Wisner & McMillan 1990:795 [ref. 19195], McAllister 1990:25 [ref. 14674] as stouti, Fernholm 1998:34 [ref. 23976], Mecklenburg et al. 2002:56 [ref. 25968], Nelson et al. 2004:48 [ref. 27807], Love et al. 2005:1 [ref. 37547], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Page et al. 2013:48 [ref. 32708], Pietsch & Orr 2015:12 [ref. 34694], Angulo & Del Moral-Flores 2016:108 [ref. 34472], Kells et al. 2016:60 [ref. 35888], Burton & Lea 2019:26 [ref. 37205], Love et al. 2021:11 [ref. 39279], Page et al. 2023:35 [ref. 40505], Fricke et al. 2024:57 [ref. 41622]). Current status: Valid as Eptatretus stoutii (Lockington 1878). Myxinidae: Eptatretinae. Distribution: Eastern Pacific: Vancouver Island (British Columbia, Canada) south to Pacific coast of southern Baja California Sur (Mexico). Habitat: marine.

strahani, Eptatretus McMillan [C. B.] & Wisner [R. L.] 1984:262, Figs. 3(4), 4, 5(11) [Proceedings of the California Academy of Sciences (Series 4) v. 43 (no. 16); ref. 12290] South China Sea near Luban Island, 14°00'N, 120°18.2'E, Philippines, depth 189 meters. Holotype: MNHN 1978-0462. Paratypes: MNHN 1981-0722 (1), SIO 81-116 (2), USNM 227442 (1). Additional material: UPZM 1981-809 (1), 1981-811 (1). •Valid as Eptatretus strahani McMillan & Wisner 1984 -- (Fernholm 1991:117 [ref. 20219], Fernholm & Paxton 1998:1192 [ref. 23784], Fernholm 1998:34 [ref. 23976], McMillan & Wisner 2004:57 [ref. 27692], Mincarone & Stewart 2006:225 [ref. 28682], Mincarone & Fernholm 2010:789 [ref. 30926], Fernholm & Mincarone 2010:1002 [ref. 30998], Knapp et al. 2011:404 [ref. 37507], Mincarone & McCosker 2014:349 [ref. 33284], Zintzen et al. 2015:371 [ref. 33803], Augustina et al. 2022:131 [ref. 39374]). Current status: Valid as Eptatretus strahani McMillan & Wisner 1984. Myxinidae: Eptatretinae. Distribution: Eastern Indian Ocean, western Pacific: Philippines and Western Australia (Australia). Habitat: marine.

strickrotti, Eptatretus Møller [P. R.] & Jones [W. J.] 2007:57, Figs. 1-3 [Biological Bulletin v. 212; ref. 29019] East Pacific Rise, 37°47.363'S, 110°54.905'W, depth 2211 meters. Holotype (unique): CAS 223480. •Valid as Eptatretus strickrotti Møller & Jones 2007 -- (Kuo et al. 2010:862 [ref. 31001], Knapp et al. 2011:404 [ref. 37507], Polanco Fernandez & Fernholm 2014:532 [ref. 33535]). Current status: Valid as Eptatretus strickrotti Møller & Jones 2007. Myxinidae: Eptatretinae. Distribution: Eastern Pacific: hydrothermal vent, East Pacific Rise. Habitat: marine.

taiwanae, Paramyxine Shen [S.-C.] & Tao [H.-J.] 1975:73, Figs. 4-5 [Chinese Bioscience v. 2; ref. 19563] Ta-chi, northeastern coast of Taiwan, 24°56.5'N, 121°53.0'E, depth 100 fathoms. Holotype: NTUM 7202715. Paratypes: NTUM 7200304 (22), 7200315 (10), 7200918 (5), 7201103 (18), 7300710 (4), 7500412 (58). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine taiwanae Shen & Tao 1975 -- (Kuo et al. 1994:132 [ref. 21435], Kuo & Mok 1999:89 [ref. 23992], Mok & Chen 2001:236 [ref. 25664], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Quadratus taiwanae (Shen & Tao 1975) -- (Mok et al. 2001:1031 [ref. 25820], McMillan & Wisner 2004:64 [ref. 27692]). •Valid as Eptatretus taiwanae (Shen & Tao 1975) -- (Fernholm 1998:34 [ref. 23976], Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Quadratus, Ho & Shao 2011:16 [ref. 31432]). Current status: Valid as Eptatretus taiwanae (Shen & Tao 1975). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

tridentiger, Myxine Garman [S.] 1899:345 [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Sandy Point [= Punta Arenas], Chile. Lectotype: BMNH 1869.5.3.2. Paralectotypes: BMNH 1868.1.15.5-6 (2), 1868.9.16.12 and 13 (1, 1 [both = M. knappi]), 1868.6.15.5-6 (1, 1 [both = M. affinis]), uncat. (1 [= M. affinis]). Lectotype established by Regan 1913:396 [ref. 18513]. •Synonym of Myxine glutinosa Linnaeus 1758 -- (Lloris & Rucabado 1991:23 [ref. 22530]). •Valid as Notomyxine tridentiger (Garman 1899) -- (Pequeño 1989:5 [ref. 14125], Fernholm 1998:35 [ref. 23976], Knapp et al. 2011:405 [ref. 37507], Mabragaña et al. 2011:table S2 [ref. 31800]). Current status: Valid as Notomyxine tridentiger (Garman 1899). Myxinidae: Myxininae. Distribution: Southeastern Pacific, southwestern Atlantic: Chile and Argentina. Habitat: marine.

wadgensis, Eptatretus Augustina A. X. [T.], Sreeram [M. P.], Sukumaran [S.], Sreekumar [K. M.], Jose [A.], Joshi [K. K.] & Gopalakrishnan [A.] 2022:122, Figs. 2-4 [Zootaxa 5162 (no. 2); ref. 39374] Wadge Bank, Lakshadweep Sea, India, 7°35'14"N, 76°45'45"E, depth about 250 - 300 meters. Holotype: CMFRI GB GC.1.1.1.1. Paratypes: CMFRI GB (3). •Valid as Eptatretus wadgensis Augustina, Sreeram, Sukumaran, Sreekumar, Jose, Joshi & Gopalakrishnan 2022. Current status: Valid as Eptatretus wadgensis Augustina, Sreeram, Sukumaran, Sreekumar, Jose, Joshi & Gopalakrishnan 2022. Myxinidae: Eptatretinae. Distribution: Indian Ocean: Lakshadweep Sea, India. Habitat: marine.

walkeri, Paramyxine McMillan [C. B.] & Wisner [R. L.] 2004:61, Fig. 7 [Zoological Studies v. 43 (no. 1); ref. 27692] Off Choshi, eastern coast of Honshu Island, Japan, depth 75 meters. Holotype: SIO 76-257. Paratypes: SIO 76-257 (9). •Valid as Paramyxine walkeri McMillan & Wisner 2004 -- (Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus walkeri (McMillan & Wisner 2004) -- (Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine, Kitano et al. 2019:30 [ref. 36618], Kim et al. 2020:35 [ref. 39118], Song & Kim 2020:90 [ref. 37441]). Current status: Valid as Eptatretus walkeri (McMillan & Wisner 2004). Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: Pacific and Sea of Japan coasts of Honshu (Japan) and Korea. Habitat: marine.

wandoensis, Eptatretus Song [Y. S.] & Kim [J.-K.] 2020:83, Figs. 2-4 [ZooKeys No. 926; ref. 37441] Yeoseo-ri, Cheongsan-myeon, Wando-gun, Jeollanam-do, Republic of Korea, 33°59'56.5"N, 126°53'57.0"E, depth 60 - 80 meters. Holotype: PKU 62167. Paratypes: PKU 62169 (1), 62171 (1), 62173 (1). •Valid as Eptatretus wandoensis Song & Kim 2020 -- (Kim et al. 2020:35 [ref. 39118]). Current status: Valid as Eptatretus wandoensis Song & Kim 2020. Myxinidae: Eptatretinae. Distribution: Northwestern Pacific: southwestern Sea of Korea. Habitat: marine.

wayuu, Eptatretus Mok [H.-K.], Saavedra-Díaz [L. M.] & Acero P. [A.] 2001:1026, Figs. 1-3 [Copeia 2001 (no. 4); ref. 25820] Between 12°24'1.8"N, 72°15'0.6"W and 12°24'22.2"N, 72°14'0.4"W, off the Guajira Peninsula, Caribbean coast of Colombia, depth 300-306 meters. Holotype: INVEMAR-PEC 2410. Paratypes: INVEMAR-PEC 2411 (1). •Valid as Paramyxine wayuu (Mok, Saavedra-Díaz & Acero P. 2001) -- (Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus wayuu Mok, Saavedra-Díaz & Acero P. 2001 -- (Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine, Polanco Fernandez & Fernholm 2014:531 [ref. 33535], Angulo & Del Moral-Flores 2016:110 [ref. 34472], Mincarone et al. 2024:185 [ref. 41172]). Current status: Valid as Eptatretus wayuu Mok, Saavedra-Díaz & Acero P. 2001. Myxinidae: Eptatretinae. Distribution: Western Atlantic: Columbian Caribbean Sea. Habitat: marine.

wisneri, Eptatretus McMillan [C. B.] 1999:116, Figs. 2 (B-C) [Fishery Bulletin v. 97 (no. 1); ref. 23612] Galápagos Islands, 0°28.0'S, 91°37.2'W, depth 1848 feet [563 meters]. Holotype: CAS 86429. Paratypes: SIO 97-76 [ex CAS 86430] (1). Subjectively invalid, preoccupied in Eptatretus by Paramyxine wisneri Kuo et al. 1994 -- (see Fernholm 1998:34 [ref. 23976] and Fernholm et al. 2013:7 [ref. 32793]). •Treated incorrectly as valid as Eptatretus wisneri McMillan 1999 -- (Mok et al. 2001:1026 [ref. 25820], Mincarone & McCosker 2004:164 [ref. 27642], Mincarone & Fernholm 2010:798 [ref. 30926], McCosker & Rosenblatt 2010:187 [ref. 30957], Mincarone & McCosker 2014:349 [ref. 33284]). •Synonym of Eptatretus bobwisneri Fernholm, Norén, Kullander, Quattrini, Zintzen et al. 2013 -- (Fernholm et al. 2013:7 [ref. 32793]). 2°Homonym. Current status: Synonym of Eptatretus bobwisneri Fernholm, Norén, Kullander, Quattrini, Zintzen et al. 2013. Myxinidae: Eptatretinae. Habitat: marine.

wisneri, Paramyxine Kuo [C.-H.], Huang [K.-F.] & Mok [H.-K.] 1994:137, Figs. 8-9 [Zoological Studies v. 33 (no. 2); ref. 21435] Coastal waters of Fukan, Taiwan, depth 200 meters. Holotype: NSYU 2868. Paratypes: NSYU 2869-70 (3, 2). Type catalog: Ho & Shao 2011:16 [ref. 31432]. •Valid as Paramyxine wisneri Kuo, Huang & Mok 1994 -- (Kuo & Mok 1999:89 [ref. 23992], Mok & Chen 2001:237 [ref. 25664], McMillan & Wisner 2004:62 [ref. 27692], Knapp et al. 2011:405 [ref. 37507]). •Valid as Eptatretus wisneri (Kuo, Huang & Mok 1994) -- (Fernholm 1998:34 [ref. 23976], Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Paramyxine, Ho & Shao 2011:16 [ref. 31432], Knapp et al. 2011:404 [ref. 37507]). Current status: Valid as Eptatretus wisneri (Kuo, Huang & Mok 1994). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan. Habitat: marine.

yangi, Paramyxine Teng [H.-T.] 1958:3 [Chinese Fisheries No. 66; ref. 19565] Fish market, Kaohsiung, southwestern Taiwan. Holotype: TFRI 103529. Paratypes: (7) TFRI 103423 (1, drawing), 103510-13 (4), 103528 (1), 103530 (1). Type catalog: Ho & Shao 2011:17 [ref. 31432]. •Valid as Paramyxine yangi Teng 1958 -- (Kuo et al. 1994:132 [ref. 21435], Kuo & Mok 1999:89 [ref. 23992], Mok & Chen 2001:236 [ref. 25664], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Quadratus yangi (Teng 1958) -- (Mok et al. 2001:1031 [ref. 25820], McMillan & Wisner 2004:65 [ref. 27692]). •Valid as Eptatretus yangi (Teng 1958) -- (Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Quadratus, Ho & Shao 2011:17 [ref. 31432], Song & Kim 2020:88 [ref. 37441]). Current status: Valid as Eptatretus yangi (Teng 1958). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan and South China Sea. Habitat: marine.