Family Catostomidae

Catostomus - Catostomus is a genus of fish belonging to the family Catostomidae, commonly known as suckers.

Chasmistes - C. C. C. C. †C. †C.

Deltistes - Deltistes is a genus of ray-finned fish in the Catostomidae family.

Ictiobus - Ictiobus, also known as Buffalo fish, is a genus of freshwater fish common in the United States.

Moxostoma - Moxostoma is a genus of ray-finned fish in the Catostomidae family.

Myxocyprinus - Young Chinese high fin banded sharks normally possess brown bodies bearing three dark-colored slanting bands.

Xyrauchen - The Razorback sucker sucker is most notable for the sharp-edged bulge on the anterior part,hump, of its back, between the head and dorsal fin, giving rise to its common name, as well as to the alternative "humpback sucker".