Typový druh
Leptagoniates pi Vari, 1978.
Původní popis
Vari, R. P., Melo, B. F. & Oliveira, C. 2016. Protocheirodon, a new genus of Characidae (Teleostei: Characiformes) with the redescription of the poorly known Protocheirodon pi. Neotropical Ichthyology v. 14 (no. 2) e150154: [1-7] 315-322.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.
