notacanthus, Ostracion Bleeker [P.] 1863:21 [Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem (Ser. 2) v. 18 (1862); ref. 395] St. Helena Island, South Atlantic (15°58'S, 5°43'W). Holotype (unique): RMNH D2771. •Valid as Acanthostracion notacanthus (Bleeker 1863) -- (Tyler 1965:262 [ref. 39940], Tortonese 1973:644 [ref. 7192], Tortonese in Whitehead et al. 1986:1340 [ref. 13677], Edwards & Glass 1987:669 [ref. 9166], Duron & Quéro 1990:1067 [ref. 19530], Santos et al. 1997:114 [ref. 23531], Arruda 1997:122 [ref. 24952], Afonso et al. 1999:81 [ref. 25466], Wirtz et al. 2014:12 [ref. 33516], Matsuura 2014:17 [ref. 33576], Matsuura in Carpenter & De Angelis 2016:3065 [ref. 34618], Brown et al. 2019:182 [ref. 36444], Carneiro et al. 2019:226 [ref. 37250], Reiner 2019:308 [ref. 38139], Fermon et al. 2022:307 [ref. 39448] possible). Current status: Valid as Acanthostracion notacanthus (Bleeker 1863). Ostraciidae. Distribution: Southern-central Atlantic: Ascension Island and Saint Helena; eastern Atlantic: Ghana south ton Angola, including Azores (Portugal), São Tomé and Principe. Habitat: marine.