The Family
Catostomidae
contains these Genera:
Carpiodes
Catostomus > Pantosteus
Chasmistes
Cycleptus
Deltistes
Erimyzon
Hypentelium
Ictiobus
Lagochila
Minytrema
Moxostoma > Thoburnia Scartomyzon
Myxocyprinus
Xyrauchen