Squaliformes

From Wikipedia, the free encyclopedia

iSqualiformes
Gulper shark, Centrophorus granulosus
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Order: Squaliformes Goodrich, 1909
Families and genera
See text for families and genera.

Squaliformes is an order of sharks that includes about 80 species in four families.

Members of the order have two dorsal fins, no anal fin, no nictitating membrane, and five gill slits.

[edit] Classification

Family Echinorhinidae (bramble sharks)

• Echinorhinus
• Pseudoechinorhinus

Family Centrophoridae (gulper sharks)

• Centrophorus
• Deania

Family Dalatiidae (sleeper sharks)

• Aculeola
• Centroscyllium
• Centroscymnus
• Dalatias
• Etmopterus
• Euprotomicroides
• Europtomicrus
• Heteroscymnoides
• Isistius
• Mollisquama
• Oxynotus
• Scymnodalatias
• Scymnodon
• Somniosus
• Squaliolus

Family Squalidae (dogfish sharks)

• Cirrhigaleus
• Squalus

[edit] References

• "Squaliformes". FishBase. Ed. Ranier Froese and Daniel Pauly. July 2006 version. N.p.: FishBase, 2006.
• FAO Species catalogue Volume 4 Parts 1 and 2