Sleeper sharks (Somniosidae)

General data

Main name: Sleeper sharks

Classification

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

Description

The Somniosidae are a family of sharks in the order Squaliformes, commonly known as sleeper sharks. The common name comes from their slow swimming, low activity level, and perceived non-aggressive nature.

Genera

Somniosus

Centroscymnus

Centroselachus

Zameus

Scymnodalatias

Scymnodon

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->
    
    Etmopteridae - Lantern sharks->
    
    Centrophoridae - Gulper sharks->
    
    Dalatiidae - Sleeper sharks->
    
    Oxynotidae - Rough sharks->
  - Echinorhiniformes - Bramble sharks->
  - Pristiophoriformes - Saw sharks->
- Holocephali - Chimaeras->
Agnatha - Jawless fishes->