oligospilus, Chaetostomus Günther [A.] 1864:244 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Rio Capin [= Capim], Pará State, Brazil. Holotype (unique): BMNH 1849.11.8.--. Type catalog: Ferraris 2007:284 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Peckoltia oligospilus (Günther 1864) -- (Isbrücker 1980:56 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26, 31 [ref. 25653]). •Valid as Peckoltia oligospila (Günther 1864) -- (Isbrücker 2002:25 [ref. 27178], Fisch-Muller in Reis et al. 2003:392 [ref. 27061], Armbruster & Werneke 2005:12 [ref. 28101], Ferraris 2007:284 [ref. 29155], Armbruster 2008:34 [ref. 29740], de Oliveira et al. 2010:55 [ref. 30929], Fisch-Muller et al. 2012:189 [ref. 31970], de Oliveira et al. 2012:548 [ref. 32202], Armbruster et al. 2015:99 [ref. 33670], Armbruster & Lujan 2016:116 [ref. 34264]). Current status: Valid as Peckoltia oligospila (Günther 1864). Loricariidae: Hypostominae. Distribution: Tocantins and Capim river drainages, lower Amazon River basin, eastern Brazil. Habitat: freshwater.