guyanensis, Chaetodon Durand [J.] 1960:209, Fig. 2 [Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 32 (no. 3); ref. 11910] French Guiana, about 52°34'W, depth 6°35'N, depth 105 meters. Syntypes: MNHN 1960-0271 (1), 1960-0272 (1); plus non-types (2). Type catalog: Bauchot 1963:122 [ref. 20718]. •Valid as Chaetodon guyanensis Durand 1960 -- (Burgess 1978:334 [ref. 700], Allen 1980:161 [ref. 22764], Matsuura in Uyeno et al. 1983:388 [ref. 14275], Robins & Ray 1986:193 [ref. 23100], Cervigón 1993:333 [ref. 24474], Andreata & Séret 1996:587 [ref. 16204] dated 1860, Claro et al. 2000:23 [ref. 26458]). •Valid as Prognathodes guyanensis (Durand 1960) -- (Blum 1989:12 [ref. 37553], Burgess 2001:62 [ref. 25030], Burgess 2003:1672 [ref. 27101], Smith et al. 2003:302 [ref. 27125], Moura & Menezes in Menezes et al. 2003:90 [ref. 27192], Nelson et al. 2004:149 [ref. 27807], Page et al. 2013:154 [ref. 32708], Lins Oliveira et al. 2015:166 [ref. 37485], Pinheiro et al. 2015:21 [ref. 34324], Pimentel et al. 2020:6 [ref. 38051], Robertson et al. 2020:153 [ref. 38098], Carvalho-Filho et al. in Marceniuk et al. 2021:549 [ref. 38945], Carvalho-Filho 2023:189 [ref. 40480], Hoff et al. 2023:6 [ref. 40463]). Current status: Valid as Prognathodes guyanensis (Durand 1960). Chaetodontidae: Chaetodontinae. Distribution: Western Atlantic: Bahamas south to Rio Grande do Sul (Brazil), including Caribbean Sea and Fernando de Noronha Archipelago (Brazil). Habitat: marine.