Cordylancistrus nephelion:

MBUCV-V-21800, Holotype, 129.1 mm SL, Venezuela, Miranda State, Caribbean Sea basin, Tuy River system, Mesia River, tributary of the Guare River, near Village Corocito, approx. 10°10’N 67°05’W, N. Padilla & H. Camejo, 26 January 1992 . MBUCV-V-27872, Paratype, 61.0 mm SL; Venezuela, Caribbean Sea basin, Miranda State, Tuy River system, Mesia River, near El Salado, approx. 10°12’N 67°03’W, N. Padilla & H. Camejo, 29 May 1994 .