Odontaspis
| Odontaspis |
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| Smalltooth sand tiger (O. ferox) | |
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| Bigeye sand tiger (O. noronhai) | |
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Odontaspis
Agassiz, 1838
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| Type species | |
| Carcharias ferox Risso, 1826
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Odontaspis is a genus with two extant species in the sand shark family, Odontaspididae.
Description
Odontaspis species can reach a length of about 3.6 metres (12 ft).
They are large-bodied sharks with long, conical snouts, broad-based dorsal and anal fins, and an asymmetrical caudal fin with a strong lower lobe.
Their teeth are large, with prominent narrow cusps.[2]
They are distinguished from the similar genus Carcharias by the absence of crushing posterior teeth.[3]
These bottom dwelling, deepwater sharks can be found in temperate and tropical waters of all the oceans.[3]
Extant Species
- Odontaspis ferox (A. Risso, 1810) (Smalltooth sand tiger)
- Odontaspis noronhai (Maul, 1955) (Bigeye sand tiger)
Extinct Species
Extinct species within this genus include: [1]
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- Odontaspis actutissima Agassiz 1843
- Odontaspis aculeatus Capetta & Case, 1975
- Odontaspis acutissima Agassiz 1843
- Odontaspis bicarinatus Williston 1900
- Odontaspis bronni Agassiz 1843
- Odontaspis contortidens Agassiz 1843
- Odontaspis crassidens Agassiz 1843
- Odontaspis cuspidata Agassiz 1843
- Odontaspis exilis Leriche 1942
- Odontaspis incurva Davis 1888
- Odontaspis macrota Agassiz 1843
- Odontaspis macrota semistriata Leriche 1942
- Odontaspis malletiana White 1956
- Odontaspis sanguinei Case 1978
- Odontaspis speyeri (Dartevelle & Casier, 1943)
- Odontaspis verticalis Agassiz 1843
- Odontaspis vorax le Hon 1871
- Odontaspis winkleri Leriche, 1905
Fossils of Odontaspis have been found all over the world. These extinct sand sharks lived from the Cretaceous to the Quaternary periods (from 136.4 to 0.012 Ma). Fossils of these fishes have been found worldwide.[1]
See also
References
- ↑ 1.0 1.1 1.2 Fossilworks
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Bourdon, J. Odontaspis Agassiz 1838. Elasmo.com. Retrieved on December 24, 2008.
