guapore, Corydoras Knaack [J.] 1961:135, Figs. 1-2 [Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin (N.F.) v. 1 (nos 1-3); ref. 6008] Main stream of upper Rio Guaporé, Rondônia, Brazil. Holotype: ZMB 21406. Paratypes: two alive mentioned in original description but apparently not preserved. Type catalog: Ferraris 2007:118 [ref. 29155]. Type information: Knaack 2003:16 [ref. 27879]. •Valid as Corydoras guapore Knaack 1961 -- (Nijssen & Isbrücker 1980:214 [ref. 6910], Burgess 1989:366 [ref. 12860], Isbrücker 2001:226 [ref. 26805], Reis in Reis et al. 2003:298 [ref. 27061], Knaack 2007:43 [ref. 29221], Ferraris 2007:118 [ref. 29155], Sarmiento et al. 2014:190 [ref. 35004], Tencatt & Pavanelli 2015:288 [ref. 35434], Tencatt & Ohara 2016:[13] [ref. 34353], Tencatt & Evers 2016:[11] [ref. 34387], Tencatt et al. 2016:[17] [ref. 34388]). Current status: Valid as Corydoras guapore Knaack 1961. Callichthyidae: Corydoradinae. Distribution: Guaporé River basin, Brazil and Bolivia. Habitat: freshwater.