dermorhynchus, Chaetostomus Boulenger [G. A.] 1887:277, Pl. 22 [Proceedings of the Zoological Society of London 1887 (pt 2) (art. 2) (for 1 Mar. 1887); ref. 532] Canelos, eastern Ecuador. Syntypes: BMNH 1880.12.8.64-66 (3). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. Specific name is a noun. •Valid as Chaetostoma dermorhynchus Boulenger 1887 (often seen as dermorhynchum) -- (Ovchynnyk 1967:39 [ref. 37559], Isbrücker 1980:60 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:62 [ref. 28542], Ferraris 2007:228 [ref. 29155], Lujan et al. 2015:689 [ref. 33975]). Current status: Valid as Chaetostoma dermorhynchus Boulenger 1887. Loricariidae: Hypostominae. Distribution: South America: Pastaza and Napo river drainages (Ecuador). Habitat: freshwater.