Animal Diversity Web

Prosopium williamsoni

Grayling

(Also: Mountain whitefish; Rocky Mountain whitefish; Williamson's whitefish)

Kingdom Animalia (animals)
- Eumetazoa (metazoans)
  - Bilateria (bilaterally symmetrical animals)
    - Deuterostomia (deuterostomes)
      - Phylum Chordata (chordates)
        
        Craniata (craniates)
        
        Subphylum Vertebrata (vertebrates)
        
        Superclass Gnathostomata (jawed vertebrates)
        
        Euteleostomi (bony vertebrates)
        
        Class Actinopterygii (ray-finned fishes)
        
        Order Salmoniformes
        
        Family Salmonidae (Salmonids)
        
        Genus Prosopium
        
        Species Prosopium williamsoni (Grayling)