monopterygius, Lophius Shaw [G.] in Shaw & Nodder 1795:no page number, Pl. 202, 203 [The Naturalist's Miscellany; ref. 4013] Australian Seas. No types known. Hypnos is masculine, so the species is correctly monopterygius. •Valid as Hypnos monopterygium (Shaw 1795) -- (Allen & Swainston 1988:26 [ref. 25477], Paxton et al. 1989:60 [ref. 12442], Randall et al. 1990:28 [ref. 15987], Kuiter 1993:15 [ref. 23929], Gomon et al. 1994:154 [ref. 22532], Last & Stevens 1994:372 [ref. 23873], Allen 1997:46 [ref. 23977], Kuiter 1997:18 [ref. 25488], Randall et al. 1997:28 [ref. 25919], Compagno & Last 1999:1447 [ref. 24637], Johnson 1999:719 [ref. 25471], Compagno 1999:487 [ref. 25589], Hutchins 2001:15 [ref. 25847], Paxton et al. 2006:165 [ref. 28995], Gomon 2008:103 [ref. 30616], Gloerfelt-Tarp & Kailola 2022:35 [ref. 41223]). •Valid as Hypnos monopterygius (Shaw 1795) -- (Weigmann 2016:72 [ref. 34211], Last et al. 2016:183 [ref. 34998], Hoschke et al. 2019:153[ref. 36626]). Current status: Valid as Hypnos monopterygius (Shaw 1795). Hypnidae. Distribution: Eastern Indian Ocean, western Pacific: northern Australia. Habitat: marine.