demantoides, Baryancistrus Werneke [D. C.], Sabaj Pérez [M. H.], Lujan [N. K.] & Armbruster [J. W.] 2005:535, Figs. 1a,b, 2 [Neotropical Ichthyology v. 3 (no. 4); ref. 28457] Rio Ventuari near ornamental fish market in river, 04.07565°N, 066.89285°W, Amazonas, Venezuela. Holotype: MCNG 54029. Paratypes: ANSP 180226 (1), 180227 (1), 180228 (1); AUM 37974 (1), 42034 (1), 42169 (2); MCNG 54030 (1), 54031 (1). Type catalog: Ferraris 2007:226 [ref. 29155]. •Valid as Baryancistrus demantoides Werneke, Sabaj Pérez, Lujan & Armbruster 2005 -- (Ferraris 2007:226 [ref. 29155], Lujan et al. 2009:53 [ref. 30056], Rapp Py-Daniel et al. 2011:241[ref. 31383], DoNascimiento et al. 2017:79 [ref. 35633], de Oliveira et al. 2019:491 [ref. 36981]). Current status: Valid as Baryancistrus demantoides Werneke, Sabaj Pérez, Lujan & Armbruster 2005. Loricariidae: Hypostominae. Distribution: Orinoco River and upper tributaries, Venezuela and Colombia. Habitat: freshwater.