obliquus, Chaetodon Lubbock [R.] & Edwards [A. J.] 1980:14, Figs. 1-2 [Revue française d'Aquariologie Herpétologie v. 7 (no. 1); ref. 8693] North side of Belmonte Islet, Saint Paul's Rocks, western central Atlantic. Holotype: MZUSP 14600. Paratypes: BMNH 1980.3.18.1 (1), SMF 15686 (1), MHNG 2014.52 (1). •Valid as Chaetodon obliquus Luppock & Edwards 1980 -- (Feitoza et al. 2003:68 [ref. 26943]). •Valid as Prognathodes obliquus (Lubbock & Edwards 1980) -- (Blum 1989:12 [ref. 37553], Burgess 2001:62 [ref. 25030], Smith et al. 2003:303 [ref. 27125], Moura & Menezes in Menezes et al. 2003:90 [ref. 27192], Vaske et al. 2005:77 [ref. 36155], Bailly in Carpenter & De Angelis 2016:2668 [ref. 34618], Carvalho-Filho 2023:189 [ref. 40480]). Current status: Valid as Prognathodes obliquus (Lubbock & Edwards 1980). Chaetodontidae: Chaetodontinae. Distribution: Western-central Atlantic: Saint Peter and Saint Paul Archipelago (Brazil). Habitat: marine.