nephelion, Cordylancistrus Provenzano [F.] & Milani [N.] 2006:31, Figs. 1-2 [Zootaxa No. 1116; ref. 28579] Mesia River, tributary of Guare River, near village Corocito, about 10°12'N, 67°05'W, Tuy River system, Caribbean Sea basin, Venezuela. Holotype: MBUCV-V-21800. Paratypes: MBUCV-V-12526 (1), 16382 (1), 21801 (1), 21806 (1), 22700 (1), 27872 (1). Not treated by Ferraris 2007 [ref. 29155]. •Valid as Cordylancistrus nephelion Provenzano & Milani 2006 -- (Ferraris 2007:443 [ref. 29155], Tan & Armbruster 2012:52 [ref. 31842], Lujan et al. 2015:659 [ref. 33963], Provenzano & Villa-Navarro 2017:529 [ref. 35473], Provenzano et al. 2017:263 [ref. 35613]). Current status: Valid as Cordylancistrus nephelion Provenzano & Milani 2006. Loricariidae: Hypostominae. Distribution: Tributaries of Tuy River, Venezuela. Habitat: freshwater.