Cow sharks
From Wikipedia, the free encyclopedia
| Cow sharks | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
||||||||||||
| Scientific classification | ||||||||||||
|
||||||||||||
| Genera and species | ||||||||||||
|
See text. |
Cow sharks, or the Hexanchidae, are a family of sharks characterized by extra pairs of gill slits. There are probably only two seven-gilled genera, Heptranchias and Notoryhncus (Allen, 45).
[edit] Genera and species
- Genera Heptranchias
- Sharpnose seven-gill shark, Heptranchias perlo (Bonnaterre, 1788)
- Genera Hexanchus
- Bluntnose sixgill shark, Hexanchus griseus (Bonnaterre, 1788)
- Bigeye sixgill shark, Hexanchus nakamurai Teng, 1962
- Genera Notorynchus
- Broadnose sevengill shark, Notorynchus cepedianus (Péron, 1807)
[edit] References
- Allen, Thomas B. The Shark Almanac. New York: The Lyons Press, 1999. ISBN 1-55821-582-4
[edit] External links
 |
This shark-related article is a stub. You can help Wikipedia by expanding it. |
