Třída: Actinopterygii - paprskoploutví
Řád: Characiformes - trnobřiší
Čeleď: Characidae - tetrovití

Reference: Böhlke, J. E. 1952. Studies on fishes of the family Characidae. No. 1. A new genus of Cheirodontine characids from the Canal de Casiquiare and adjacent waters in Venezuela and northern Brazil. Ann. Mag. Nat. Hist. (Ser. 12) v. 5 (no. 56): 775-777.