Gadopsis De Filippi [F.] 1855:170 Fem. Oligopus ater Risso 1810. Type by monotypy. Objectively invalid; preoccupied by Gadopsis Richardson 1848 in fishes, replaced by Verater Jordan 1919 [second Verater], but earlier replaced by Pteridium De Filippi & Verany 1859. •Synonym of Oligopus Risso 1810 -- (Cohen 1964:2 [ref. 6891]); but see account of Oligopus Risso. •Synonym of Grammonus Gill 1896 -- (Castellanos-Galindo et al. 2006:206 [ref. 28944], Møller et al. 2016:Appendix A [ref. 34432] in Bythitidae). 1°Homonym. Current status: Synonym of Grammonus Gill 1896. Bythitidae.