Squaliformes
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.

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

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

Classification

Family Echinorhinidae (bramble sharks)

• Echinorhinus

Family Squalidae (dogfish sharks)

• Cirrhigaleus
• Squalus

Family Centrophoridae (gulper sharks)

• Centrophorus
• Deania

Family Dalatiidae

• Subfamily Dalatiinae (Gray, 1851)
  • Genus Euprotomicroides
  • Genus Heteroscymnoides
  • Genus Mollisquama
  • Tribe Dalatiini
    • Genus Dalatias
    • Genus Isistius
  • Tribe Euprotomicrini
    • Genus Euprotomicrus
    • Genus Squaliolus
• Subfamily Etmopterinae Fowler, 1934
  • Genus Aculeola
  • Genus Centroscyllium
  • Genus Etmopterus
  • Genus Miroscyllium
  • Genus Trigonognathus
• Subfamily Oxynotinae Gill, 1872
  • Genus Oxynotus
• Subfamily Somniosinae Jordan, 1888
  • Genus Centroscymnus
  • Genus Scymnodalatias
  • Genus Scymnodon
  • Genus Somniosus

References

• Compagno, Dando, & Fowler, Sharks of the World, Princeton University Press, New Jersey 2005 ISBN 0-691-12072-2
• FAO Species catalogue Volume 4 Parts 1 and 2