Chen, Wei-Jen, and Richard L. Mayden. 2012. “Phylogeny of Suckers (Teleostei: Cypriniformes: Catostomidae): Further Evidence of Relationships Provided by the Single-Copy Nuclear Gene IRBP2”. Zootaxa 3586 (1). Auckland, New Zealand:195–210. https://doi.org/10.11646/zootaxa.3586.1.18.