ephippium, Chaetodon Cuvier [G.] in Cuvier & Valenciennes 1831:80, Pl. 174 [Histoire naturelle des poissons v. 7; ref. 4881] Bora Bora, Society Islands, French Polynesia, South Pacific. Lectotype: MNHN 0000-9665. Paralectotypes: MNHN 0000-9687 (1); RMNH D475 (1, dry), D476 (1 dry). Type catalog: Bauchot 1963:121-122 [ref. 20718]. Also appeared as Cuvier in Lesson 1831:174, Pl. 29 (fig. 1) [ref. 2776]. Lectotype established in Bauchot 1863:121 [ref. 20718]. Allen 1980:161 [ref. 22764] places the earlier-named Chaetodon principalis Cuvier 1829 in synonymy •Valid as Chaetodon ephippium Cuvier 1831 -- (Burgess 1978:598 [ref. 700], Allen 1980:161 [ref. 22764], Ida in Masuda et al. 1984:183 [ref. 6441], Allen & Swainston 1988:96 [ref. 25477], Blum 1989:13 [ref. 37553], Randall et al. 1990:222 [ref. 15987], Kuiter 1993:221 [ref. 23929], Mohsin & Ambak 1996:404 [ref. 27969], Allen 1997:148 [ref. 23977], Chen et al. 1997:120 [ref. 26476], Kuiter 1997:214 [ref. 25488], Randall et al. 1997:222 [ref. 25919], Myers 1999:163 [ref. 23965], Johnson 1999:739 [ref. 25471], Allen 2000:89 [ref. 37268], Pyle in Randall & Lim 2000:623 [ref. 25122], Nakabo 2000:889 [ref. 25182], Laboute & Grandperrin 2000:295 [ref. 25191], Sadovy & Cornish 2000:164 [ref. 25480], Randall & Earle 2000:15 [ref. 25806], Allen 2000:105 [ref. 25868], Hutchins 2001:265 [ref. 25841], Hutchins 2001:36 [ref. 25847], Pyle 2001:3240 [ref. 26117], Nakabo 2002:889 [ref. 26193], Allen & Adrim 2003:42 [ref. 26830], Smith et al. 2003:303 [ref. 27125], Myers & Donaldson 2003:629 [ref. 27495], Lobel & Lobel 2004:72 [ref. 27576], Randall et al. 2004:18 [ref. 27624], Randall 2005:312 [ref. 28239], Mundy 2005:394 [ref. 28379], Allen et al. 2006:1290 [ref. 29090], Randall 2007:280 [ref. 30952], Motomura et al. 2010:135 [ref. 31256], Zuo & Tang 2011:1003 [ref. 32151], Allen & Erdmann 2012:522 [ref. 31980], Fricke et al. 2014:99 [ref. 33932], Delrieu-Trottin et al. 2015:6 [ref. 33988], Koeda et al. 2016:53 [ref. 35333], Koeda et al. 2016:8 [ref. 35354], Fricke et al. 2019:183 [ref. 36673], Furuhashi & Motomura 2022:12 [ref. 39607], Gloerfelt-Tarp & Kailola 2022:229 [ref. 41223], Allen & Erdmann 2024:555 [ref. 40796]). Current status: Valid as Chaetodon ephippium Cuvier 1831. Chaetodontidae: Chaetodontinae. Distribution: Eastern Indian Ocean, western Pacific: Sri Lanka, Christmas Island and Cocos-Keeling islands east to Hawaiian Islands (U.S.A.), Line Islands and Marquesas Islands (French Polynesia), north to southern Japan, south to Western Australia, New South Wales (Australia), New Caledonia, Tonga, Rapa and Gambier Islands. Habitat: marine.