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

Species in the genus Ichthyapus: [ 9 ] records

acuticeps, Sphagebranchus Barnard [K. H.] 1923:444 [Annals of the South African Museum v. 13 (pt 8, no. 14); ref. 191] Off mouth of Tugela River, northwest 20 miles, KwaZulu-Natal, South Africa, southwestern Indian Ocean, depth 37 fathoms [68 meters]. Holotype (unique): SAM 12791 (poor condition). •Valid as Ichthyapus acuticeps (Barnard 1923) -- (McCosker 1977:68 [ref. 6836], McCosker & Castle 1986:179 [ref. 5690], McCosker 2004:172 [ref. 27619], Eagderi et al. 2019:18 [ref. 37020], McCosker 2022:112 [ref. 39686]). Current status: Valid as Ichthyapus acuticeps (Barnard 1923). Ophichthidae: Ophichthinae. Distribution: Southwestern Indian Ocean: KwaZulu-Natal (South Africa) endemic. Habitat: marine.

acutirostris, Ichthyapus Brisout de Barneville [C. N. F.] 1847:219 [Revue Zoologique par la Société Cuvierienne (Paris) v. 10; ref. 644] Locality unknown (possibly Japan). Syntypes: (2) MNHN 0000-2119 (1). Type catalog: Bauchot et al. 1993:107 [ref. 20810] as holotype (original as deux individus conservés); so there are syntypes and no holotype. •The same as specimens from Japan identified as Ichthyapus vullturis Weber & de Beaufort 1916 -- (see McCosker 2004:172 [ref. 27619]). •Valid as Ichthyapus acutirostris Brisout de Barneville 1847 -- (McCosker & Randall 2005:7 [ref. 28054], Randall 2007:66 [ref. 30952]). Current status: Valid as Ichthyapus acutirostris Brisout de Barneville 1847. Ophichthidae: Ophichthinae. Distribution: Indo-West Pacific. Habitat: marine.

conklini, Sphagebranchus Eigenmann [C. H.] 1916:55, Pl. 9 [Annals of the Carnegie Museum v. 10 (nos 1/2) (art. 3); ref. 11116] Entrance to harbor, New Providence Island, Bahamas, depth 10 feet. Holotype (unique): FMNH 57731 [ex CM 6710]. Type catalog: Henn 1928:53 [ref. 12305], Ibarra & Stewart 1987:80 [ref. 12367]. •Synonym of Ichthyapus ophioneus (Evermann & Marsh 1900) -- (McCosker et al. 1989:323 [ref. 13288]). Current status: Synonym of Ichthyapus ophioneus (Evermann & Marsh 1900). Ophichthidae: Ophichthinae. Habitat: marine.

insularis, Ichthyapus McCosker [J. E.] 2004:169, Figs. 1-2 [Proceedings of the California Academy of Sciences v. 55 (no. 7); ref. 27619] Southwest Bay, Ascension Island, depth 0-1 meters. Holotype: USNM 214480. Paratypes: ANSP 158903 (2), CAS 218803 (1), USNM 375444 (8). •Valid as Ichthyapus insularis McCosker 2004 -- (Wirtz et al. 2014:3 [ref. 33516], McCosker 2016:1663 [ref. 34558]). Current status: Valid as Ichthyapus insularis McCosker 2004. Ophichthidae: Ophichthinae. Distribution: Ascension Island. Habitat: marine.

keramanus, Apterichtus Machida [Y.], Hashimoto [H.] & Yamakawa [T.] 1997:28, Figs. 2-5 [Ichthyological Research v. 44 (no. 1); ref. 22711] South of Kerama Islands, Okinawa Prefecture, southern Japan, about 26°10'N, 127°20'E, depth 25-50 meters. Holotype (unique): BSKU 82191. •Valid as Apterichtus keramanus Machida, Hashimoto & Yamakawa 1997 -- (Nakabo 2000:219 [ref. 25086], Nakabo 2002:219 [ref. 26001], McCosker & Randall 2005:6 [ref. 28054]). •Valid as Ichthyapus keramanus Machida, Hishimoto & Yamakawa 1997 -- (McCosker & Hibino 2015:76 [ref. 33725]), Current status: Valid as Ichthyapus keramanus (Machida, Hashimoto & Yamakawa 1997). Ophichthidae: Ophichthinae. Distribution: Japan, Fujian, China and Vanuatu. Habitat: marine.

ophioneus, Sphagebranchus Evermann [B. W.] & Marsh [M. C.] 1900:73, Fig. 7 [Bulletin of the U. S. Fish Commission v. 20 (pt 1) [for 1900]; ref. 14876] Off Mayagüez, Puerto Rico, Fish Hawk station 6065, depth 4-6 fathoms. Holotype (unique): USNM 49526. Type catalog: Smith 1994:36 [ref. 21917]. •Valid as Ichthyapus ophioneus (Evermann & Marsh 1900) -- (McCosker 1977:68 [ref. 6836], Robins & Ray 1986:63 [ref. 23100], Edwards & Glass 1987:627 [ref. 9166], McCosker et al. 1989:323 [ref. 13288], Leiby in Smith 1989:848 [ref. 13285], Leiby 1990:184 [ref. 13652], Cervigón 1992:372 [ref. 23827], McEachran & Fechhelm 1998:269 [ref. 23897], Smith-Vaniz et al. 1999:138 [ref. 25013], Schmitter-Soto et al. 2000:149 [ref. 27754], Rocha & Rosa 2001:989 [ref. 25909], McCosker 2003:732 [ref. 26993], Menezes in Menezes et al. 2003:35 [ref. 27192], McCosker 2004:171 [ref. 27619], Smith et al. 2003:7 [ref. 27621], Nelson et al. 2004:62 [ref. 27807], Wirtz et al. 2014:3 [ref. 33516], McCosker 2016:1663 [ref. 34558], Brown et al. 2019:157 [ref. 36444], Rotundo et al. in Marceniuk et al. 2021:109 [ref. 38945], Page et al. 2023:54 [ref. 40505]). Current status: Valid as Ichthyapus ophioneus (Evermann & Marsh 1900). Ophichthidae: Ophichthinae. Distribution: Western Atlantic; southern-central Atlantic: Ascension and Saint Helena islands. Habitat: marine.

platyrhyncha, Caecula (Sphagebranchus) Gosline [W. A.] 1951:312, Figs. 1, 14 (b, d) [Pacific Science v. 5 (no. 4); ref. 1858] Between Laie and Kaneohe, Hauula Park, north shore of Oahu Island, Hawaiian Islands. Holotype: USNM 152543. Paratypes: BPBM 5543 (1), 14200 [ex UH 316] (10, now 9), 37410 [ex UH 958] (9); USNM 152544 (3). •Synonym of Ichthyapus vulturis (Weber & de Beaufort 1916) -- (McCosker 1977:68 [ref. 6836]). •Valid as Ichthyapus platyrhynchus (Gosline 1951) -- (McCosker & Randall 2005:7 [ref. 28054], Mundy 2005:132 [ref. 28379], Randall 2007:66 [ref. 30952]). Current status: Valid as Ichthyapus platyrhynchus (Gosline 1951). Ophichthidae: Ophichthinae. Distribution: Hawaiian Islands. Habitat: marine.

selachops, Apterichthys Jordan [D. S.] & Gilbert [C. H.] 1882:356 [Proceedings of the United States National Museum v. 5 (no. 290); ref. 12308] Cape San Lucas, Baja California, Mexico. Holotype (unique): USNM 4391. Type catalog: Smith 1994:28 [ref. 21917]. •Valid as Ichthyapus selachops (Jordan & Gilbert 1882) -- (McCosker 1977:68 [ref. 6836], Allen & Robertson 1994:52 [ref. 22193], McCosker & Rosenblatt in Fischer et al. 1995:1335 [ref. 22830], Grove & Lavenberg 1997:169 [ref. 24023], McCosker 2004:172 [ref. 27619], Nelson et al. 2004:62 [ref. 27807], Love et al. 2005:20 [ref. 37547], McCosker & Rosenblatt 2010:188 [ref. 30957], Page et al. 2013:63 [ref. 32708], Fourriére et al. 2016:441 [ref. 34668], Del Moral-Flores et al. 2016:606 [ref. 34923], Love et al. 2021:36 [ref. 39279], Page et al. 2023:54 [ref. 40505]). Current status: Valid as Ichthyapus selachops (Jordan & Gilbert 1882). Ophichthidae: Ophichthinae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Ecuador, including Gulf of California (Mexico) and Galápagos Islands (Ecuador). Habitat: marine.

vulturis, Sphagebranchus Weber [M.] & de Beaufort [L. F.] 1916:319 [Fishes Indo-Australian Archipelago v. 3; ref. 4604] Nasi Besar Island, western Sumatra [Sumatera Barat, Indonesia, eastern Indian Ocean]. Holotype (unique): ZMA 104153. Type catalog: Nijssen et al. 1982:10 [ref. 19236]. Correct spelling is vulturis. •Valid as Ichthyapus vulturus [sic] (Weber & de Beaufort 1916) -- (Allen & Swainston 1988:34 [ref. 25477], Paxton et al. 1989:117 [ref. 12442], Pequeño 1989:25 [ref. 14125], Allen 1997:56 [ref. 23977], Myers 1999:56 [ref. 23965], Allen & Adrim 2003:24 [ref. 26830], Allen & Erdmann 2024:115 [ref. 40796]). •Valid as Ichthyapus vulturis (Weber & de Beaufort 1916) -- (McCosker 1977:68 [ref. 6836], Smith & McCosker 1999:1668 [ref. 24715], Randall 1999:6 [ref. 25829], Nakabo 2000:218 [ref. 25086], Randall & Earle 2000:8 [ref. 25806], Hutchins 2001:17 [ref. 25847], McCosker 2002:25 [ref. 25848], Nakabo 2002:218 [ref. 26001], McCosker 2004:172 [ref. 27619], Randall et al. 2004:6 [ref. 27624], McCosker & Randall 2005:7 [ref. 28054], Mundy 2005:133 [ref. 28379], McCosker et al. 2006:268 [ref. 29006], Randall 2007:66 [ref. 30952], Fricke et al. 2011:352 [ref. 31342], Allen & Erdmann 2012:105 [ref. 31980], McCosker 2014:339 [ref. 33288], Delrieu-Trottin et al. 2015:4 [ref. 33988], McCosker 2022:112 [ref. 39686]). Current status: Valid as Ichthyapus vulturis (Weber & de Beaufort 1916). Ophichthidae: Ophichthinae. Distribution: Indo-West Pacific: Kenya, Aldabra (Seychelles) and Seychelles east to Hawaiian Islands (U.S.A.) and Easter Island, north to Izu Peninsula (southern Japan), south to Western Australia and Chesterfield Islands (New Caledonia). Habitat: marine.