aculeatus, Chelmon Poey [F.] 1860:202 [Memorias sobre la historia natural de la Isla de Cuba v. 2; ref. 3499] Cuba. Syntypes or one is holotype: MCZ 162353 (1), USNM 4716 (1). Type catalog: Howell Rivero 1938:204-205 [ref. 22926] with MCZ 16253 as holotype; USNM lists USNM 4716 as holotype. Published July 1860. •Valid as Chaetodon aculeatus (Poey 1860) -- (Burgess 1978:318 [ref. 700], Allen 1980:160 [ref. 22764], Robins & Ray 1986:192 [ref. 23100], Cervigón 1993:331 [ref. 24474], Andreata & Séret 1996:587 [ref. 16204], Smith-Vaniz et al. 1999:274 [ref. 25013], Schmitter-Soto et al. 2000:163 [ref. 27754], Robertson et al. 2016:146 [ref. 34961]). •Valid as Prognathodes aculeatus (Poey 1860) -- (Blum 1989:12 [ref. 37553], Burgess 2001:62 [ref. 25030], Collette et al. 2003:111 [ref. 26784], Burgess 2003:1670 [ref. 27101], Smith et al. 2003:302 [ref. 27125], Smith et al. 2003:39 [ref. 27621], Nelson et al. 2004:149 [ref. 27807], McEachran & Fechhelm 2005:468 [ref. 28815], Page et al. 2013:154 [ref. 32708], Smith-Vaniz & Jelks 2014:60 [ref. 33341], Robertson et al. 2020:152 [ref. 38098], Bennema & van Moorsel 2022:69 [ref. 39585], Martínez-Servín et al. 2023:112 [ref. 40726]). Current status: Valid as Prognathodes aculeatus (Poey 1860). Chaetodontidae: Chaetodontinae. Distribution: Western Atlantic: including Gulf of Mexico and Caribbean Sea. Habitat: marine.