gemmatus, Acanthurus Valenciennes [A.] in Cuvier & Valenciennes 1835:255 [Histoire naturelle des poissons v. 10; ref. 1004] Mauritius, Mascarenes, southwestern Indian Ocean. Holotype (unique): MNHN A-6970. Type catalog: Bauchot & Randall 1996:57 [ref. 22195]. •Valid as Zebrasoma gemmatum (Valenciennes 1835) -- (Randall 1986:817 [ref. 5706], Fricke 1999:551 [ref. 24106], Kuiter & Debelius 2001:94 [ref. 26232], Heemstra et al. 2004:3330 [ref. 27945], Heemstra & Heemstra 2004:405 [ref. 28072], Fricke et al. 2009:109 [ref. 30213], Caratini & Soriano 2011:25 [ref. 39915], Fricke et al. 2013:271 [ref. 32706], Fricke et al. 2018:357 [ref. 35805], Randall 2022:243 [ref. 40150]). Current status: Valid as Zebrasoma gemmatum (Valenciennes 1835). Acanthuridae. Distribution: Western Indian Ocean: Eastern Cape and KwaZulu-Natal (South Africa) and east Africa east to Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues). Habitat: marine.