Odontaspis
| Odontaspis Temporal range:[1]
| |
|---|---|
| |
| Smalltooth sand tiger (O. ferox) | |
| |
| Bigeye sand tiger (O. noronhai) | |
Scientific classification
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Subdivision: | Selachimorpha |
| Order: | Lamniformes |
| Family: | Odontaspididae |
| Genus: | Odontaspis Agassiz,1838 |
| Type species | |
| Carcharias ferox Risso,1826
| |
Odontaspis(fromGreek:ὀδούςodoús'tooth') andGreek:ἀσπίςaspís'shield')[2]is agenusofsand sharkwith two extant species.
Description
[edit]
Bigeye sand tigers can reach a length of about 3.6 metres (12 ft) and smalltooth sand tigers of about 4.1 m.
They are large-bodied sharks with long, conical snouts, broad-baseddorsalandanal fins,and an asymmetricalcaudal finwith a strong lower lobe.
Theirteethare large, with prominent narrow cusps.[3]
They are distinguished from the similar genusCarchariasby the absence of crushingposteriorteeth.[4]
These bottom dwelling, deepwater sharks can be found in temperate and tropical waters of all the oceans.[4]
Extant species
[edit]- Odontaspis ferox(A. Risso,1810)(smalltooth sand tiger)
- Odontaspis noronhai(Maul,1955)(bigeye sand tiger)
Extinct species
[edit]Extinct species within this genus include:[1]
- Odontaspis aculeatusCapetta & Case, 1975
- Odontaspis speyeri(Dartevelle & Casier, 1943)
- Odontaspis winkleriLeriche, 1905
Fossils ofOdontaspishave been found all over the world. These extinct sand sharks lived from theCretaceousto theQuaternaryperiods (from 136.4 to 0.012 Ma). Fossils of these fishes have been found worldwide.[1]
See also
[edit]
References
[edit]- ^abcFossilworks
- ^Roberts, George (1839).An etymological and explanatory dictionary of the terms and language of geology.London: Longman, Orme, Brown, Green, & Longmans. p. 123.Retrieved31 December2021.
- ^Compagno, L.J.V. (1984).Sharks of the World: An Annotated and Illustrated Catalogue of Shark Species Known to Date.Rome:Food and Agriculture Organization.ISBN92-5-101384-5.
- ^abBourdon, J.OdontaspisAgassiz 1838.Elasmo.Retrieved on December 24, 2008.
| Authority control databases:National |
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