Třída: Actinopterygii - paprskoploutví
Řád: Cypriniformes - máloostní
Čeleď: Catostomidae - pakaprovcovití

Synonyma: Moxostoma rhothoecum (Thoburn, 1896); Catostomus rhothoecus Thoburn, 1896.

Reference: Jordan, D. S. & B. W. Evermann. 1896. The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I. Bull. U. S. Natl. Mus. No. 47: i-lx + 1-1240.