Retropinna Gill [T. N.] 1862:14 Fem. Argentina retropinna Richardson 1848. Type by monotypy. •Valid as Retropinna Gill 1862 -- (McDowall 1979:90 [ref. 7021], McDowall 1984:151 [ref. 11850], Paxton et al. 1989:172 [ref. 12442], Gomon et al. 1994:232 [ref. 22532], McDowall 2001:397 [ref. 25906], Hoese et al. 2006:397 [ref. 29047], Raadik 2008:216 [ref. 30624], McDowall & Stewart 2015:379 [ref. 34241], Kuiter 2018:22 [ref. 36369]). Current status: Valid as Retropinna Gill 1862. Retropinnidae: Retropinninae.