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

Reference: Weitzman, S. H., N. A. Menezes, H.-G. Evers, & J. R. Burns. 2005. Putative relationships among inseminating and externally fertilizing characids, with description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae). Neotropical Ichthyol. v. 3 (no. 3): 329-360.