Knifetooth dogfish (Scymnodon ringens)

General data

Main name: Knifetooth dogfish
Habitat: Saltwater

Classification

Genus: Scymnodon - Scymnodon
Family: Somniosidae - Sleeper sharks
Order: Squaliformes - Sleeper and dogfish sharks
Class: Elasmobranchii - Sharks and Rays
Superclass: Chondrichthyes - Cartilaginous fishes

Taxonomy of Fishes

Osteichthyes - Bony fishes->
Chondrichthyes - Cartilaginous fishes->
- Elasmobranchii - Sharks and Rays->
  - Lamniformes - Mackerel sharks->
  - Carcharhiniformes - Ground sharks->
  - Rhinopristiformes - Shovelnose rays->
  - Torpediniformes - Electric rays->
  - Rajiformes - Skates and rays->
  - Orectolobiformes - Carpet shark->
  - Squatiniformes - Angelsharks->
  - Heterodontiformes - Bullhead and horn sharks->
  - Hexanchiformes - Six-gill sharks->
  - Myliobatiformes - Stingrays->
  - Squaliformes - Sleeper and dogfish sharks->
    
    Squalidae - Dogfish sharks->
    
    Somniosidae - Sleeper sharks->
    
    Somniosus - Somniosus->
    
    Centroscymnus - Centroscymnus->
    
    Centroselachus - Centroselachus->
    
    Zameus - Zameus->
    
    Scymnodalatias - Scymnodalatias->
    
    Scymnodon - Scymnodon->
    
    Japanese velvet dogfish (Scymnodon ichiharai)
    
    Largespine velvet dogfish (Scymnodon macracanthus)
    
    Knifetooth dogfish (Scymnodon ringens)
    
    Etmopteridae - Lantern sharks->
    
    Centrophoridae - Gulper sharks->
    
    Dalatiidae - Sleeper sharks->
    
    Oxynotidae - Rough sharks->
  - Echinorhiniformes - Bramble sharks->
  - Pristiophoriformes - Saw sharks->
- Holocephali - Chimaeras->
Agnatha - Jawless fishes->