thurni, Roeboides Eigenmann [C. H.] 1912:399, Pl. 60 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Rockstone sand-bank, Guyana. Holotype: FMNH 53676 [ex CM 2149]. Paratypes: (13) BMNH 1911.10.31.366 (1); CAS 62216 [ex IU 12320] (1), 62232 [ex IU 12321] (2); FMNH 53677-78 (2, 5); MCZ 29993 [ex CM] (1). Type catalog: Henn 1928:70 [ref. 12305], Ibarra & Stewart 1987:77 [ref. 12367]. •Valid as Roeboides thurni Eigenmann 1912 -- (Lucena & Menezes in Reis et al. 2003:206 [ref. 27061]). •Synonym of Roeboides affinis (Günther 1868) -- (Lucena 2007:119 [ref. 29256], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:29 [ref. 35267]). Current status: Synonym of Roeboides affinis (Günther 1868). Characidae: Characinae. Habitat: freshwater.