Notorynchus Ayres [W. O.] 1855:73 Masc. Notorynchus maculatus Ayres 1855. Type by monotypy. Misspelled Notorhynchus by Gill 1864:149 [ref. 1697] and others. •Valid as Notorynchus Ayres 1855 -- (Compagno 1984:22 [ref. 6474], Nakaya & Shirai in Masuda et al. 1984:3 [ref. 6441], Bass et al. 1986:47 [ref. 5638], Cappetta 1987:48 [ref. 6348], Paxton et al. 1989:27 [ref. 12442], Gomon et al. 1994:88 [ref. 22532], Herman et al. 1994:153 [ref. 27820] as Notorhynchus, Compagno 1999:472 [ref. 25589], Mecklenburg et al. 2002:82 [ref. 25968], Hoese & Gates 2006:136 [ref. 28997], Castro 2011:27 [ref. 31457], Ebert et al. 2013:20 [ref. 33032], Parin et al. 2014:25 [ref. 33547], Stewart 2015:118 [ref. 34217], Dyldin 2015:43 [ref. 34524], Pietsch & Orr 2015:16 [ref. 34694], Del Moral-Flores et al. 2016:57 [ref. 34398], Dyldin & Orlov 2018:162 [ref. 35920], Ehemann et al. 2018:23 [ref. 36194], Ebert et al. 2021:19 [ref. 38234]). Current status: Valid as Notorynchus Ayres 1855. Hexanchidae.