caboclo, Sternarchorhynchus de Santana [C. D.] & Nogueira [A.] 2006:89, Figs. 1b, 2b-c [Ichthyological Exploration of Freshwaters v. 17 (no. 1); ref. 28638] Rio Mucajaí, below Cachoeira Paredão 2, Roraima, Brazil. Holotype: INPA 22894. Paratypes: INPA 10578 (1), 10592 (2), 10594 (60, 2 c&s). Type catalog: Ferraris et al. 2017:[12] [ref. 35236]. Name appeared first in an earlier paper in the same journal issue: de Santana & Taphorn 2006:3 [ref. 28632]. •Valid as Sternarchorhynchus caboclo de Santana & Nogueira 2006 -- (de Santana & Vari 2010:284 [ref. 30785], Ferraris et al. 2017:[12] [ref. 35236]). Current status: Valid as Sternarchorhynchus caboclo de Santana & Nogueira 2006. Apteronotidae: Apteronotinae. Distribution: Mucajaí River basin, Brazil. Habitat: freshwater.