Animal Diversity Web

Mustelus mustelus

Gray mouth dog

(Also: Smooth dogfish; Smooth hound; Stellate smooth-hound; Sweet William)

Kingdom Animalia (animals)
- Eumetazoa (metazoans)
  - Bilateria (bilaterally symmetrical animals)
    - Deuterostomia (deuterostomes)
      - Phylum Chordata (chordates)
        
        Craniata (craniates)
        
        Subphylum Vertebrata (vertebrates)
        
        Superclass Gnathostomata (jawed vertebrates)
        
        Class Chondrichthyes (rays, sharks, and relatives)
        
        Elasmobranchii
        
        Order Carcharhiniformes
        
        Family Triakidae (Houndsharks)
        
        Genus Mustelus
        
        Species Mustelus mustelus (Gray mouth dog)