oligacanthus, Chaetodon Bleeker [P.] 1850:16 [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 23 (no. 9); ref. 16904] Jakarta, Java, Indonesia. Syntypes and/or Bleeker specimens: AMS B.7767 [from Day] (1) Jakarta, BMNH 1880.4.21.111-112 (2), RMNH 14413 (7), SMNS 10583 (6). Type catalog: Fricke 1991:11 [ref. 13474], Fricke 2005:25 [ref. 29864]. Appeared first in Bleeker 1845:520 [ref. 312] without distinguishing features; also in Bleeker 1850:105 [ref. 16888]. Fricke 2005:25 [ref. 29864] regards SMNA 10583 and RMNH 14413 as syntypes and dates to 1845. •Valid as Chaetodon oligacanthus Bleeker 1850 -- (Smith et al. 2003:304 [ref. 27125], Zuo & Tang 2011:1003 [ref. 32151], Nakae in Kimura et al. 2015:70 [ref. 34319], Nakae in Kimura et al. 2018:209 [ref. 36460]). •Synonym of Parachaetodon ocellatus (Cuvier 1831) -- (Blum 1989:15 [ref. 37553], Burgess 1978:275 [ref. 700]). Current status: Synonym of Parachaetodon ocellatus (Cuvier 1831). Chaetodontidae. Habitat: marine.