Template:Vari,Harold;2001
- Vari, R. P. & Harold, A. S.; 2001: Phylogenetic study of the neotropical fish genera Creagrutus Günther and Piabina Reinhardt (Teleostei: Ostariophysi: Characiformes), with revision of the Cis-Andean species. Smithsonian Contributions to Zoology, No. 613: i-v + 1-239.