Provenzano, F., & Milani, N. (2006).

Cordylancistrus nephelion (Siluriformes, Loricariidae), a new and endangered species of suckermouth armored catfish from the Tuy River, north-central Venezuela

. Zootaxa, 1116(1), 29–41. https://doi.org/10.11646/zootaxa.1116.1.2