Chaca Gray [J. E.] 1831:9 Fem. Chaca hamiltonii Gray 1831 (= Platystacus chaca Hamilton 1822). Type by monotypy. Gray's hamiltoni is an unneeded substitute for P. chaca Hamilton. See van Oijen et al. 2009:281 [ref. 30423]. •Valid as Chaca Gray 1831 -- (Jayaram 1981:274 [ref. 6497], Roberts 1982 [ref. 6807], Brown & Ferraris 1988 [ref. 6806], Burgess 1989:152 [ref. 12860], Kottelat 1989:15 [ref. 13605], Roberts 1989:143 [ref. 6439], Ataur Rahman 1989:174 [ref. 24860], Ataur Rahman 2003:194 [ref. 31338], Diogo et al. 2004:159 [ref. 27880], Jayaram 2006:316 [ref. 28762], Ferraris 2007:135 [ref. 29155], Ng & Kottelat 2012:37 [ref. 31867], Kottelat 2013:240 [ref. 32989]). Current status: Valid as Chaca Gray 1831. Chacidae.