Hydrolagus Gill [T. N.] 1862:331 Masc. Chimaera colliei Lay & Bennett 1839. Type by monotypy. •Valid as Hydrolagus Gill 1862 -- (Krefft 1973:78 [ref. 7166], Stehmann & Bürkel in Whitehead et al. 1984:214 [ref. 13675], Nakaya in Masuda et al. 1984:17 [ref. 6441], Compagno 1986:145 [ref. 5648], Paxton et al. 1989:97 [ref. 12442], Hardy & Stehmann 1990 [ref. 16629], Gomon et al. 1994:187 [ref. 22532], Didier 1995:14 [ref. 22713], Compagno 1999:1533 [ref. 24636], Mecklenburg et al. 2002:68 [ref. 25968], Didier & Séret 2002:225 [ref. 26557], Didier 2002:299 [ref. 26493], Didier 2003:598 [ref. 26986], Moura et al. 2005:742 [ref. 28380], Barnett et al. 2006:27 [ref. 28820], Paxton et al. 2006:52 [ref. 28995], Compagno et al. 2005:14 [ref. 29145], Last et al. 2008:341 [ref. 29699], Didier 2008:349 [ref. 29700], Gomon 2008:144 [ref. 30616], James et al. 2009:59 [ref. 30401], Kemper et al. 2010:55 [ref. 30883], Angelo et al. 2014:566 [ref. 33497], Parin et al. 2014:17 [ref. 33547], Walovich et al. 2015:157 [ref. 33924], Kemper et al. 2015:45 [ref. 34214], Dyldin 2015:77 [ref. 34524], Pietsch & Orr 2015:13 [ref. 34694], Bañón et al. 2016:303 [ref. 34397], Del Moral-Flores et al. 2016:52 [ref. 34398], Motomura et al. 2017:19 [ref. 35490], White et al. 2017:296 [ref. 35860], Dyldin & Orlov 2018:173 [ref. 35920], Ehemann et al. 2018:20 [ref. 36194], Jew et al. 2018:[3] [ref. 36022], White & Ko'ou 2018:69 [ref. 35922], Ebert et al. 2021:103 [ref. 38234]). Current status: Valid as Hydrolagus Gill 1862. Chimaeridae.