the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Actinopterygii (class)
Neopterygii (no rank)
Teleostei (no rank)
Cypriniformes (order)
Catostomidae (family)
Catostomus commersoni (species)
white sucker (primary common name)
[show inferior taxa]