Species that contain: Icelus and bicornis [ 8 ] records

beringianus, Icelus bicornis Schmidt [P. Yu.] 1927:7 [Ezegodnik Zoologiceskogo Muzeja = Annuaire du Musée Zoologique / Akademija Nauk Sojuza Sovetskich Socialisticeskich Respublik. v. 28; ref. 19815] Providence Bay, Bering Strait, 63°27' to 64°25'N, 168°48' to 176°27'E, depth 8-40 fathoms. Syntypes: ZIN 21914 (1). •Synonym of Icelus spatula Gilbert & Burke 1912 -- (Neelov 1973:597 [ref. 7219], Nelson 1984:36 [ref. 5391], Sheiko & Fedorov 2000:28 [ref. 25650], Parin et al. 2002:S78 [ref. 28300], Parin et al. 2014:256 [ref. 33547]). Current status: Synonym of Icelus spatula Gilbert & Burke 1912. Psychrolutidae. Habitat: marine.

bicornis, Cottus Reinhardt [J. C. H.] 1840:9 [Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger og dets Medlemmers Arbeider (Kjøbenhavn) v. 7 (1839); ref. 18617] East Greenland. No types known. Type catalog: Nielsen 1974:81 [ref. 9588]. Published two more times in 1840-41. Cottus bicornis Anonymous (Volta) 1796:clxiv, Pl. 39 (fig. 4) [ref. 30407] from the 'monti del Veronese' (mountains of Province Verona, Italy) is an homonym in fossil fishes; Agassiz 1835:293 [ref. 30408] noted that the original material is lost and the illustration in Volta 1796 is unidentifiable; the name Cottus bicornis Anonymous (Volta) 1796 was not used as valid since 1899, therefore reversal of precedence according to ICZN Art. 23.2 and 23.9 in favor of Cottus bicornis Reinhardt 1840. •Valid as Icelus bicornis (Reinhardt 1840) -- (Neelov 1973:596 [ref. 7219], Nelson 1984:35 [ref. 5391], Fedorov in Whitehead et al. 1986:1250 [ref. 13677], Robins & Ray 1986:282 [ref. 23100], Scott & Scott 1988:498 [ref. 25518], McAllister 1990:198 [ref. 14674], Yabe in Okamura et al. 1995:164 [ref. 22531], Mecklenburg et al. 2002:456 [ref. 25968], Parin et al. 2002:S77 [ref. 28300], Nelson et al. 2004:120 [ref. 27807], Love et al. 2005:88 [ref. 37547], Møller et al. 2010:52 [ref. 31169], Mecklenburg et al. 2011:122 [ref. 31212], Page et al. 2013:123 [ref. 32708], Dolgov 2013:918 [ref. 33112], Mecklenburg et al. 2014:145 [ref. 33463], Parin et al. 2014:253 [ref. 33547], Mecklenburg & Steinke 2015:164 [ref. 34033], Afonso et al. 2016:43, 173 [ref. 36199], Mecklenburg et al. 2016:67 [ref. 34440], Dolgov et al. 2018:120 [ref. 41055], Mecklenburg et al. 2018:205 [ref. 36370], Love et al. 2021:122 [ref. 39279], Zorina & Chernova. 2022:89 [ref. 40474], Page et al. 2023:186 [ref. 40505]). 1°Homonym. Current status: Valid as Icelus bicornis (Reinhardt 1840). Psychrolutidae. Distribution: Circumpolar in Arctic Ocean, North Atlantic and North Pacific. Habitat: marine.

bispinis, Icelus spatula Andriashev [A. P.] 1937:270, Pl. 6 (fig. 5) [Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere (Jena) v. 69 (no. 4); ref. 15267] Penzhina Bay to Chanjanga; northeastern Sachalin Island; and northwestern Kamchatka Peninsula, Okhotsk Sea, depth 55-150 meters and to 240 meters. Syntypes: ZIN 17787 (1), 17790-91 (1, 3), 18060 (1), 21920-23 (5, 6, 6, 2). •Synonym of Icelus bicornis (Reinhardt 1840) -- (Nelson 1984:42 [ref. 5391]). •Synonym of Icelus spatula Gilbert & Burke 1912 -- (Sheiko & Fedorov 2000:28 [ref. 25650], Parin et al. 2002:S78 [ref. 28300], Parin et al. 2014:256 [ref. 33547]). Current status: Synonym of Icelus spatula Gilbert & Burke 1912. Psychrolutidae. Habitat: marine.

crassus, Icelus uncinalis Andriashev [A. P.] 1937:265, Pl. 5 (fig. 2) [Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere (Jena) v. 69 (no. 4); ref. 15267] Penzhina Bay, northeastern Sakhalin Island, Okhotsk Sea, 53°56' - 58°48.5'N. 13°32' - 15°18.5'E, depth 55 - 97 meters. Syntypes: (45, now 36) ? BMNH [ex ZIN 21903] (1), ? USA [ex ZIN 21903] (1), ZIN 21898 (2), 21899 (1), 21901 (7), 21902 (9), 21903 (14), 21904 (3). "Typus" given on caption to Pl. 5 but specimen not distinguished in text. •Synonym in part of Icelus bicornis (Reinhardt 1840) -- (Nelson 1984:42 [ref. 5391]). •Synonym in part of Icelus ochotensis Schmidt 1927 -- (Nelson 1984:50 [ref. 5391], Sheiko & Fedorov 2000:28 [ref. 25650], Parin et al. 2002:S78 [ref. 28300]). •Synonym in part of Icelus spatula Gilbert & Burke 1912 -- (Sheiko & Fedorov 2000:28 [ref. 25650]). •Synonym of Icelus ochotensis Schmidt 1927 -- (Parin et al. 2014:255 [ref. 33547]). Current status: Synonym of Icelus ochotensis Schmidt 1927. Psychrolutidae. Habitat: marine.

derjugini, Icelus bicornis Soldatov [V. K.] in Knipowitsch 1926:124 [Trudy Nauchno-issledovatel'skogo instituta po izucheniya Severea. Moskva [= Transactions of the Institute for Scientific Exploration of the North.] No. 27; ref. 22166] Naiden, White Sea. Holotype: NIISM (whereabouts unknown). •Synonym of Icelus bicornis (Reinhardt 1840) -- (Neelov 1973:596 [ref. 7219], Nelson 1984:36 [ref. 5391], Parin et al. 2002:S77 [ref. 28300], Parin et al. 2014:253 [ref. 33547]). Current status: Synonym of Icelus bicornis (Reinhardt 1840). Psychrolutidae. Habitat: marine.

furciger, Icelus Malm [A. W.] 1865:410 [Förhandlingar vid de Skandinaviske Naturforskarnes. v. 9; ref. 17596] Löken, Gullmarfjärden, Sweden. No types known. •Synonym of Icelus bicornis (Reinhardt 1840) -- (Neelov 1973:596 [ref. 7219], Nelson 1984:36 [ref. 5391]). Current status: Synonym of Icelus bicornis (Reinhardt 1840). Psychrolutidae. Habitat: marine.

hamatus, Icelus Krøyer [H. N.] 1845:253 [Naturhistorisk Tidsskrift (Kjøbenhavn) (n. s.) v. 1; ref. 2689] Belsund, Spitsbergen. Lectotype: ZMUC P811869. Paralectotypes: ?ZMUC 10-11 (1 of 2). Type catalog: Nielsen 1974:81 [ref. 9588]. Lectotype selected by Nelson 1984:35 [ref. 5391]. •Synonym of Icelus bicornis (Reinhardt 1840) -- (Neelov 1973:596 [ref. 7219], Nelson 1984:35 [ref. 5391], Parin et al. 2002:S77 [ref. 28300], Parin et al. 2014:253 [ref. 33547]). Current status: Synonym of Icelus bicornis (Reinhardt 1840). Psychrolutidae. Habitat: marine.

spitzbergensis, Icelus bicornis Schmidt [P. Yu.] 1927:7 [Ezegodnik Zoologiceskogo Muzeja = Annuaire du Musée Zoologique / Akademija Nauk Sojuza Sovetskich Socialisticeskich Respublik. v. 28; ref. 19815] Spitsbergen. Syntypes: ZIN 11867 (3), 11900-02 (1, 4, 6+), 12750-52 (3, 2, 5), 12754-55 (13, 3), 12807-08 (1, 1), 13993-97 (6+, 6+, 1, 1, 1). •Synonym of Icelus bicornis (Reinhardt 1840) -- (Neelov 1973:596 [ref. 7219], Nelson 1984:36 [ref. 5391], Parin et al. 2002:S77 [ref. 28300], Parin et al. 2014:253 [ref. 33547]). Current status: Synonym of Icelus bicornis (Reinhardt 1840). Psychrolutidae. Habitat: marine.