decussatus, Chaetodon Cuvier [G.] 1829:190 [Le Règne Animal (Edition 2) v. 2; ref. 995] India. Cuvier & Valenciennes specimens: MNHN A-2691 (1, dry). Available from footnote as, "Ch. decussatus, N., Russel, 53; et Klein., Miss., IV, ix, 2." Also in Cuvier & Valenciennes 1831:54 [ref. 4881]. Specimen (MNHN A-2691) listed by Bauchot 1963:120-121 [ref. 20718] as holotype is not a type but the specimen from the 1831 description. •Valid as Chaetodon decussatus Cuvier 1829 -- (Burgess 1978:591 [ref. 700], Allen 1980:161 [ref. 22764], Blum 1989:13 [ref. 37553], Hutchins 2001:265 [ref. 25841], Hutchins 2001:36 [ref. 25847], Pyle 2001:3239 [ref. 26117] dated 1831, Allen & Adrim 2003:42 [ref. 26830] dated 1831, Smith et al. 2003:303 [ref. 27125], Manilo & Bogorodsky 2003:S111 [ref. 27377], Mishra & Krishnan 2003:40 [ref. 27712], Allen et al. 2006:1290 [ref. 29090] dated 1831, Hobbs et al. 2007:108 [ref. 29249], Satapoomin 2009:184 [ref. 30463], Allen & Erdmann 2012:521 [ref. 31980], Habib & Islam 2020:Supplementary table p. 22 [ref. 38321], Mohanty et al. 2020:1439 [ref. 37820], Gloerfelt-Tarp & Kailola 2022:229 [ref. 41223], Heemstra & Heemstra 2022:449 [ref. 39746], Allen & Erdmann 2024:555 [ref. 40796], Noushad K. et al. 2024:45 [ref. 40947]). Current status: Valid as Chaetodon decussatus Cuvier 1829. Chaetodontidae: Chaetodontinae. Distribution: Indian Ocean: Yemen, Oman; Lakshadweep (India), Maldives, Sri Lanka; Andaman Sea and Christmas Island (Australia) east to Flores (Indonesia). Habitat: marine.