Animal Diversity Web

Malacosteus niger

Lightless loosejaw

(Also: Loosejaw; Northern stoplight loosejaw; Stoplight loosejaw)

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 Stomiiformes
        
        Family Stomiidae (Barbeled dragonfishes)
        
        Genus Malacosteus
        
        Species Malacosteus niger (Lightless loosejaw)