Xantusia vigilis (Desert Night Lizard) | CLASSIFICATION

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 Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
        
        Tetrapoda (tetrapods)
        
        Amniota (amniotes)
        
        Class Reptilia (turtles, snakes, lizards, and relatives)
        
        Order Squamata
        
        Family Xantusiidae
        
        Genus Xantusia
        
        Species Xantusia vigilis (Desert Night Lizard)
        
        Infraspecies Xantusia vigilis arizonae
        
        Infraspecies Xantusia vigilis extorris
        
        Infraspecies Xantusia vigilis gilberti
        
        Infraspecies Xantusia vigilis sierrae
        
        Infraspecies Xantusia vigilis utahensis
        
        Infraspecies Xantusia vigilis vigilis
        
        Infraspecies Xantusia vigilis wigginsi