Typový druh
Physopyxis lyra Cope, 1872.
Původní popis
Cope E. D. 1871. [Untitled report] "Some anatomical points of importance in the classification of the siluroids of the Amazon." Proc. Acad. Nat. Sci. Phila. v. 23. 112-113.
Použitá literatura
- Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web electronic publication.