cooperi, Platycephalus Regan [C. T.] 1908:238, Pl. 29 (fig. 5) [The Transactions of the Linnean Society of London. Second Series. Zoology v. 12 (pt 3); ref. 3634] Western Indian Ocean, depth 20-30 fathoms. Syntypes: BMNH 1908.3.23.198-203 (6), 1908.3.23.204 (1). •Valid as Suggrundus cooperi (Regan 1908) -- (Imamura 1996:209 [ref. 22700], Imamura et al. 2019:20 [ref. 36722], Knapp 2022:595 [ref. 39727]). •Valid as Seychelliceps cooperi (Regan 1908) -- (Prokofiev 2019:236 [ref. 37245]). •Valid as Insidiator cooperi (Regan 1908) -- (Imamura & Hoese 2020:[3] [ref. 37448]). Current status: Valid as Insidiator cooperi (Regan 1908). Platycephalidae. Distribution: Western Indian Ocean: Amirantes (Seychelles), Seychelles, Saya de Malha Bank, Saint Brandon's Shoals (Cargados Carajos). Habitat: marine.