- Catostomidae, family Catostomidae - suckers; closely related to the family Cyprinidae
--1 is a kind of fish family
--1 is a member of Cypriniformes, order Cypriniformes
--1 has members:catostomid; sucker; Catostomus, genus Catostomus; Ictiobus, genus Ictiobus; Hypentelium, genus Hypentelium; Maxostoma, genus Maxostoma