Třída: Actinopterygii - paprskoploutví
Řád: Siluriformes - sumci
Čeleď: Loricariidae - krunýřovcovití

Reference: Gauger, M. F. W. & P. A. Buckup. 2005. Two new species of Hypoptopomatinae from the rio Paraíba do Sul basin, with comments on the monophyly of Parotocinclus and the Otothyrini (Siluriformes: Loricariidae). Neotropical Ichthyol. v. 3 (no. 4): 509-518.