dizoster, Chaetodon Valenciennes [A.] in Cuvier & Valenciennes 1831:527 [Histoire naturelle des poissons v. 7; ref. 4881] Mauritius, Mascarenes, southwestern Indian Ocean. No types known. Type catalog: Bauchot 1963:132 [ref. 20718]. Based on a drawing. •Synonym of Chaetodon falcula Bloch 1795 -- (Burgess 1978:609 [ref. 700], Allen 1980:161 [ref. 22764], Fricke 1999:329 [ref. 24106], Heemstra & Heemstra 2022:451 [ref. 39746]). Current status: Synonym of Chaetodon falcula Bloch 1795. Chaetodontidae: Chaetodontinae. Habitat: marine.