marginatus, Acanthurus Valenciennes [A.] in Cuvier & Valenciennes 1835:221 [Histoire naturelle des poissons v. 10; ref. 1004] Luganor [Lukunor Island], Caroline Islands, western Pacific. No types known. Type catalog: Bauchot & Randall 1996:66 [ref. 22195]. Replacement name for Acanthurus guttatus Kittlitz 1834, preoccupied by Acanthurus guttatus Forster 1801. •Valid as Ctenochaetus marginatus (Valenciennes 1835) -- (Randall 1988:60 [ref. 14257], Allen & Robertson 1994:273 [ref. 22193], Krupp in Fischer et al. 1995:843 [ref. 22829], Allen & Robertson 1997:832 [ref. 41086], Myers 1999:272 [ref. 23965], Randall & Earle 2000:21 [ref. 25806], Kuiter & Debelius 2001:81 [ref. 26232], Randall 2001:3665 [ref. 26301], Randall & Clements 2001:18 [ref. 25453], Randall 2005:586 [ref. 28239], Mundy 2005:492 [ref. 28379], Béarez & Séret 2009:151 [ref. 36646], Page et al. 2013:180 [ref. 32708], Delrieu-Trottin et al. 2015:8 [ref. 33988], Fourriére et al. 2016:450 [ref. 34668], Del Moral-Flores et al. 2016:611 [ref. 34923], Page et al. 2023:163 [ref. 40505], Vela-Espinosa et al. 2023:12 [ref. 40981]). Replacement Name. Current status: Valid as Ctenochaetus marginatus (Valenciennes 1835). Acanthuridae. Distribution: Central and eastern Pacific: Micronesia and Marshall Islands east to Johnston Atoll; Rapa, Tuamotu Archipelago, Marquesas Islands; offshore eastern Pacific islands including Clipperton Island (France), and Costa Rica to Colombia. Habitat: marine.