Somniosidae

Sleeper sharks
Somniosus sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Squaliformes
Family:	Somniosidae D. S. Jordan, 1888

Somniosidae is a family of sharks in the order Squaliformes, commonly known as sleeper sharks.

Genera

• Centroscymnus Barbosa du Bocage & Brito Capello, 1864
  • Centroscymnus coelolepis (Barbosa du Bocage & Brito Capello, 1864) (Portuguese dogfish)
  • Centroscymnus cryptacanthus (Regan, 1906) (Shortnose velvet dogfish)
  • Centroscymnus owstoni (Garman, 1906) (Roughskin dogfish)
• Centroselachus Garman, 1913
  • Centroselachus crepidater (Barbosa du Bocage & Brito Capello, 1864) (Longnose velvet dogfish)
• Proscymnodon Fowler, 1934
  • Proscymnodon macracanthus (Regan, 1906) (Largespine velvet dogfish)
  • Proscymnodon plunketi (Waite, 1910) (Plunket shark)
• Scymnodalatias Garrick, 1956
  • Scymnodalatias albicauda Taniuchi & Garrick, 1986 (Whitetail dogfish)
  • Scymnodalatias garricki Kukuyev & Konovalenko, 1988 (Azores dogfish)
  • Scymnodalatias oligodon Kukuyev & Konovalenko, 1988 (Sparsetooth dogfish)
  • Scymnodalatias sherwoodi (Archey, 1921) (Sherwood dogfish)
• Scymnodon Barbosa du Bocage & Brito Capello, 1864
  • Scymnodon obscurus (Vaillant, 1888) (Smallmouth knifetooth dogfish)
  • Scymnodon ringens Barbosa du Bocage & Brito Capello, 1864 (Knifetooth dogfish)
• Somniosus Lesueur, 1818
  • Somniosus antarcticus Whitley, 1939 (Southern sleeper shark)
  • Somniosus longus (Tanaka, 1912) (Frog shark)
  • Somniosus microcephalus (Bloch & J. G. Schneider, 1801) (Greenland shark)
  • Somniosus pacificus Bigelow & Schroeder, 1944 (Pacific sleeper shark)
  • Somniosus rostratus (Risso, 1827) (Little sleeper shark)
• Zameus D. S. Jordan & Fowler, 1903
  • Zameus ichiharai (Yano & S. Tanaka (II), 1984) (Japanese velvet dogfish)
  • Zameus squamulosus (Günther, 1877) (Velvet dogfish)