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

Typový druh: Catostomus rhothoecus Thoburn, 1896

Reference: Jordan D. S. 1917. Changes in names of American fishes. Copeia No. 49. 85-89.

Přehled druhů

• Thoburnia atripinnis (Bailey, 1959)
  Bailey, R. M. 1959. A new catostomid fish, Moxostoma (Thoburnia) atripinne, from the Green River drainage, Kentucky and Tennessee. Occas. Pap. Mus. Zool. Univ. Mich. No. 599: 1-19, Pls. 1-2.
• Thoburnia hamiltoni Raney & Lachner, 1946
  Raney, E. C. & E. A. Lachner. 1946. Thoburnia hamiltoni, a new sucker from the Upper Roanoke River system in Virginia. Copeia 1946 (no. 4): 218-226, Pl. 1.
• Thoburnia rhothoeca (Thoburn, 1896)
  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.

Statistické údaje

Počet druhů: 3