Squaliformes

Taxobox
name = Squaliformes

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image_width = 250px
image_caption = Gulper shark, "Centrophorus granulosus"
regnum = Animalia
phylum = Chordata
classis = Chondrichthyes
subclassis = Elasmobranchii
ordo = Squaliformes
ordo_authority = Goodrich, 1909
subdivision_ranks = Families and genera
subdivision = See text for families and genera.

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