FAMILY Alepocephalidae Bonaparte, 1846 - slickheads, nakedheads [=Alepocephalini, Aulastomatomorphinae, Bathylaconidae, ?Triuridae, Bathyprionidae] Notes: Alepocephalini Bonaparte, 1846:5, 34 [ref. 519] (subfamily) Alepocephalus Aulastomatomorphinae Fowler, 1934a:256 [ref. 1416] (subfamily) Aulastomatomorpha Bathylaconidae Parr, 1948:48, 51 [ref. 31913] (family) Bathylaco ?Triuridae Whitley, 1954a:62 [ref. 4720] (family) Triurus Lacepède [unidentifiable type genus, in Molidae?] Bathyprionidae Marshall, 1966a:3 [ref. 2894] (family) Bathyprion GENUS Alepocephalus Risso, 1820 - slickheads [=Alepocephalus Risso [A.], 1820:270, Brunichthys Parr [A. E.], 1951:8, Halisauriceps Fowler [H. W.], 1934:247, Lloydiella (subgenus of Alepocephalus) Parr [A. E.], 1952:256, 259, Mitchillina Jordan [D. S.] & Evermann [B. W.], 1896:452, 453, Noriona Strand [E.], 1942:401, Normania Parr [A. E.], 1937:5, 9, Proditor Whitley [G. P.], 1940:407] Notes: [ref. 3756]. Masc. Alepocephalus rostratus Risso, 1820. Type by monotypy. Alepidocephalus Agassiz, 1846:14 [ref. 64] is an unjustified emendation. •Valid as Alepocephalus Risso, 1820 -- (Krefft 1973:86 [ref. 7166], Markle & Quéro in Whitehead et al. 1984:228 [ref. 13675], Amaoka in Masuda et al. 1984:42 [ref. 6441], Markle 1986:219 [ref. 5687], Paxton et al. 1989:209 [ref. 12442], Sazonov & Markle 1990:111 [ref. 21681], Gomon et al. 1994:242 [ref. 22532], Sazonov & Markle 1999:1892 [ref. 24739], Mecklenburg et al. 2002:165 [ref. 25968], Carter & Hartel 2003:876 [ref. 27000], Hoese et al. 2006:385 [ref. 29035], Williams & Sazonov 2008:202 [ref. 30623], Mecklenburg et al. 2011:118 [ref. 31212]). Current status: Valid as Alepocephalus Risso, 1820. Alepocephalidae. (Brunichthys) [ref. 3380]. Masc. Alepocephalus asperifrons Garman, 1899. Type by original designation (also monotypic). Derivation of name not given originally [probably for Anton Bruun]; spelled Bruunichthys by Parr 1952:255 [ref. 3381]; name used only once in 1951 and if that is regarded as a misprint then it can be corrected; otherwise name should stand as Brunichthys. •Synonym of Alepocephalus Risso, 1820. Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Halisauriceps) [ref. 1416]. Neut. Alepocephalus longiceps Lloyd, 1909. Type by original designation (also monotypic). •Synonym of Alepocephalus Risso, 1820 -- (Parr 1951:4 [ref. 3380]). Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Lloydiella) [ref. 3381]. Fem. Alepocephalus bicolor Alcock, 1891. Type by original designation (also monotypic). Type designated in key. •Synonym of Alepocephalus Risso, 1820. Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Mitchillina) [ref. 2443]. Fem. Alepocephalus bairdii Goode & Bean, 1879. Type by original designation. •Synonym of Alepocephalus Risso, 1820. Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Noriona) [ref. 4289]. Fem. Alepocephalus andersoni Fowler, 1834. Type by being a replacement name. Replacement for Normania Parr, 1937, preoccupied by Normania Brady, 1866 in Crustacea, Normania Bowerbank, 1869 in sponges, and Normania Boeck, 1871 in Crustacea; but Normania Parr, replaced earlier by Proditor Whitley, 1940. •Objective synonym of Proditor Whitley, 1940. •Synonym of Alepocephalus Risso, 1820. Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Normania) [ref. 3376]. Fem. Alepocephalus andersoni Fowler, 1934. Type by original designation (also monotypic). Objectively invalid; preoccupied by Normania Brady, 1866 in Crustacea, Normania Bowerbank, 1869 in sponges, and Normania Boeck, 1871 in Crustacea; replaced by Proditor Whitley, 1940 and by Noriona Strand, 1942. •In the synonymy of Alepocephalus Risso, 1820 -- (Parr 1951:4 [ref. 3380]). Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. (Proditor) [ref. 4699]. Masc. Alepocephalus andersoni Fowler, 1934. Type by being a replacement name. Replacement for Normania Parr, 1937, preoccupied by Normania Brady, 1866 in Crustacea, Normania Bowerbank, 1869 in sponges, and Normania Boeck, 1871 in Crustacea. •Synonym of Alepocephalus Risso, 1820 -- (Parr 1951:4 [ref. 3380]). Current status: Synonym of Alepocephalus Risso, 1820. Alepocephalidae. Species Alepocephalus agassizii Goode & Bean, 1883 - Agassiz' slickhead [=Alepocephalus agassizii Goode [G. B.] & Bean [T. H.], 1883:218] Notes: [Bulletin of the Museum of Comparative Zoology v. 10 (no. 5); ref. 1838] Western North Atlantic [off New Jersey, U.S.A.], 38°18'40"N, 73°18'10"W, Blake station 338, depth 922 fathoms. Current status: Valid as Alepocephalus agassizii Goode & Bean, 1883. Alepocephalidae. Distribution: Greenland and both sides of the North Atlantic. Habitat: marine. Species Alepocephalus andersoni Fowler, 1934 - Bohol slickhead (author) [=Alepocephalus andersoni Fowler [H. W.], 1934:246, Fig. 8] Notes: [Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933); ref. 1416] Between Siquijor and Bohol islands, Philippines, Albatross station D.5527, depth 392 fathoms. Current status: Valid as Alepocephalus andersoni, Fowler 1934. Alepocephalidae. Distribution: Western Pacific. Habitat: marine. Species Alepocephalus antipodiana (Parrott, 1948) - Kaikoura slickhead (author) [=Bathytroctes antipodiana Parrott [A. W.], 1948:143, Pl. 31] Notes: [Records of the Canterbury Museum v. 5; ref. 13067] Kaikoura, New Zealand. Current status: Valid as Alepocephalus antipodianus (Parrott, 1948). Alepocephalidae. Distribution: Worldwide in tropical and subtropical seas. Habitat: marine. Species Alepocephalus asperifrons Garman, 1899 - Panama slickhead (author) [=Alepocephalus asperifrons Garman [S.], 1899:291, Pl. 59 (fig. 1)] Notes: [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Gulf of Panama, 6°-7°N, 79°-81°W, Albatross station 3357 and 3393, depth 782-1020 fathoms. Current status: Valid as Alepocephalus asperifrons Garman, 1899. Alepocephalidae. Distribution: Eastern Pacific. Habitat: marine. Species Alepocephalus australis Barnard, 1923 - small scaled brown slickhead [=Alepocephalus australis Barnard [K. H.], 1923:440, Alepocephalus barnardi Norman [J. R.], 1930:270] Notes: [Annals of the South African Museum v. 13 (pt 8, no. 14); ref. 191] Off Cape Point, South Africa, depth 630 fathoms [1152 meters]. Current status: Valid as Alepocephalus australis Barnard, 1923. Alepocephalidae. Distribution: Circumglobal, mostly in Southern Hemisphere. Habitat: marine. (barnardi) [Discovery Reports v. 2; ref. 3219] Off Cape Point, South Africa, depth 700 fathoms. Current status: Synonym of Alepocephalus australis Barnard, 1923. Alepocephalidae. Habitat: marine. Species Alepocephalus bairdii Goode & Bean, 1879 - Baird's slickhead [=Alepocephalus bairdii Goode [G. B.] & Bean [T. H.], 1879:56, Alepocephalus giardi Köhler [R.], 1896:513, Pl. 26 (fig. 1)] Notes: [Proceedings of the United States National Museum v. 2 (no. 68); ref. 18136] Grand Banks, northwestern Atlantic, depth 200 fathoms. Current status: Valid as Alepocephalus bairdii Goode & Bean, 1879. Alepocephalidae. Distribution: North Atlantic. Habitat: marine. (giardi) [Annales de l'Université de Lyon. Paris [etc.] v. 26; ref. 14612] Bay of Biscay, station 4, 1410 m; station 10, depth 800 meters. Current status: Synonym of Alepocephalus bairdii Goode & Bean, 1879. Alepocephalidae. Habitat: marine. Species Alepocephalus bicolor Alcock, 1891 - bicolor slickhead [=Alepocephalus bicolor Alcock [A. W.], 1891:133] Notes: [Annals and Magazine of Natural History (Series 6) v. 8 (no. 43/44); ref. 87] Bay of Bengal, 15°56'50"N, 81°30.5'E, Investigator station 120, depth 240-276 fathoms. Current status: Valid as Alepocephalus bicolor Alcock, 1891. Alepocephalidae. Distribution: Indo-West Pacific. Habitat: marine. Species Alepocephalus blanfordii Alcock, 1892 - Blanford's slickhead (author) [=Alepocephalus blanfordii Alcock [A. W.], 1892:357] Notes: [Annals and Magazine of Natural History (Series 6) v. 10 (no. 59); ref. 88] Gulf of Manaar, south of Cape Comorin, 6°58'N, 77°26'50"E, Investigator station 128, depth 902 fathoms. Current status: Valid as Alepocephalus blanfordii Alcock, 1892. Alepocephalidae. Distribution: Indian Ocean; Hawaiian Islands. Habitat: marine. Species Alepocephalus dentifer Sazonov & Ivanov, 1979 - dentifer slickhead (author) [=Alepocephalus dentifer Sazonov [Yu. I.] & Ivanov [A. N.], 1979:1008, Fig. 4] Notes: [Voprosy Ikhtiologii v. 19 (no. 6); ref. 8668] Southeastern Indian Ocean, 11°24.3'S, 88°50'E, depth 1500-1600 meters. Current status: Valid as Alepocephalus dentifer Sazonov & Ivanov, 1979. Alepocephalidae. Distribution: Indian Ocean: east Indian Ridge. Habitat: marine. Species Alepocephalus fundulus Garman, 1899 - fundulus slickhead (author) [=Alepocephalus fundulus Garman [S.], 1899:293, Pl. 57 (fig. 2)] Notes: [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Off Pacific coast of Panama, 6°-7°N, 79°-82°W, Albatross station 3360 and 3392, depth 1270-1672 fathoms. Current status: Valid as Alepocephalus fundulus Garman, 1899. Alepocephalidae. Distribution: Eastern Pacific. Habitat: marine. Species Alepocephalus longiceps Lloyd, 1909 - longfin slickhead [=Alepocephalus longiceps Lloyd [R. E.], 1909:147, Pl. 44] Notes: [Memoirs of the Indian Museum v. 2 (no. 3); ref. 2814] Bay of Bengal, depth 693 fathoms. Current status: Valid as Alepocephalus longiceps Lloyd, 1909. Alepocephalidae. Distribution: Western Pacific and southeastern Indian Ocean. Habitat: marine. Species Alepocephalus longirostris Okamura & Kawanishi,