Ilyophis Gilbert [C. H.] 1891:351 Masc. Ilyophis brunneus Gilbert 1891. Type by original designation (also monotypic). •Valid as Ilyophis Gilbert 1891 -- (Blache et al. 1973:253 [ref. 7185] as Iliophis, Robins & Robins 1976:264 [ref. 3784], Karrer 1982:99 [ref. 5679], Machida in Masuda et al. 1984:26 [ref. 6441], Saldanha & Bauchot in Whitehead et al. 1986:589 [ref. 13676], Castle 1986:189 [ref. 5644], Robins & Robins 1989:235 [ref. 13287], Karmovskaya & Parin 1999:316 [ref. 23869], Smith 1999:1660 [ref. 24661], Smith 2003:722 [ref. 26989], Paxton et al. 2006:262 [ref. 28995], Smith 2008:162 [ref. 30621], Parin et al. 2014:48 [ref. 33547], Smith & Stewart 2015:244 [ref. 34234], Robertson et al. 2017:33 [ref. 35676], Fricke et al. 2018:42 [ref. 35805], Tashiro & Chen 2022:1 [ref. 39512], Tighe et al. 2024:52 [ref. 41546]). Current status: Valid as Ilyophis Gilbert 1891. Synaphobranchidae: Ilyophinae.