massiliense, Polyprion Costa [O. G.] 1829:Polyprion p. 1, Pl. 1 [Fauna del regno di Napoli Part 1; ref. 976] Naples, Italy, Mediterranean Sea. No types known. Perhaps not intended as a new name, but as a new combination for Cottus massiliensis Gmelin. •Synonym of Polyprion americanus (Bloch & Schneider 1801) -- (Smith 1990:703 [ref. 18227], Parenti 2019:50 [ref. 36742]). Current status: Synonym of Polyprion americanus (Bloch & Schneider 1801). Polyprionidae. Habitat: brackish, marine.