hancockii, Doras Valenciennes [A.] in Cuvier & Valenciennes 1840:279 [Histoire naturelle des poissons v. 15; ref. 1008] Demerara River, Guyana. Holotype (unique): BMNH 1857.6.13.163. Type catalog: Ferraris 2007:177 [ref. 29155]. Based on Doras costatus of Hancock. •Valid as Amblydoras hancockii (Valenciennes 1840) -- (Ortega & Vari 1986:13 [ref. 9708], Burgess 1989:223 [ref. 12860] as hancocki, Le Bail et al. 2000:40 [ref. 24549], Lasso et al. 2001:98 [ref. 25928] as hancocki, Barriga Salazar 2014:115 [ref. 35745]). •Species inquirenda in Platydoras Bleeker 1862 -- (Sabaj & Ferraris in Reis et al. 2003:465 [ref. 27061], Ferraris 2007:177 [ref. 29155]). •Valid as Platydoras hancockii (Valenciennes 1840) -- (Piorski et al. 2008:490 [ref. 29987], Sarmiento et al. 2014:155, 190 [ref. 35004], DoNascimiento et al. 2017:89 [ref. 35633], Silvano et al. 2020:244 [ref. 38135]). Current status: Valid as Platydoras hancockii (Valenciennes 1840). Doradidae: Doradinae. Distribution: South America: Brazil, Ecuador, Bolivia, Colombia, Guyana and Venezuela. Habitat: freshwater.