isbruckeri, Hypopygus de Santana [C. D.] & Crampton [W. G. R.] 2011:1127, Fig. 21 [Zoological Journal of the Linnean Society v. 163; ref. 31643] Caño Magua, forest stream, approximately 1 km from Magua, 13 km and 126° from San Fernando de Atabapo, Río Orinoco drainage, 3°58'50.2"N, 67°36'28.1"W, Amazonas, Venezuela. Holotype: UF 175390. Paratypes: UF 148537 (2), 148539 (6, 3 c&s). Type catalog: Ferraris et al. 2017:[27] [ref. 35236]. •Valid as Hypopygus isbruckeri de Santana & Crampton 2011 -- (Peixoto et al. 2013:232 [ref. 32780], Ferraris et al. 2017:[27] [ref. 35236], Campos-da-Paz 2018:198 [ref. 35891]). Current status: Valid as Hypopygus isbruckeri de Santana & Crampton 2011. Rhamphichthyidae. Distribution: San Fernando de Atabapo, Río Orinoco drainage, Amazonas, Venezuela. Habitat: freshwater.