chrysurus, Chaetodon Desjardins [J.] 1832:107 [v. 3; ref. 30331] Mauritius, Mascarenes, southwestern Indian Ocean. Holotype (unique): MNHN 0000-9672. Type catalog: Bauchot 1963:119-120 [ref. 20718]. Also in Desjardins 1834:117 [ref. 17398]. For comments on authorship see Monod 1976:20 [ref. 30339]. Objectively invalid; preoccupied by Chaetodon chrysurus Bloch & Schneider 1801. •Synonym of Chaetodon paucifasciatus Ahl 1923 -- (Dor 1984:175 [ref. 29757]). •Synonym of Chaetodon madagaskariensis Ahl 1923 -- (Burgess 1978:398 [ref. 700] as madagascarensis, Fricke 1999:333 [ref. 24106], Heemstra & Heemstra 2022:455 [ref. 39746]). 1°Homonym. Current status: Synonym of Chaetodon madagaskariensis Ahl 1923. Chaetodontidae: Chaetodontinae. Habitat: marine.