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Carcharias

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Title: Carcharias  
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Subject: Lamniformes, London Clay, List of sharks, Sand tiger shark, Sand shark, Crocodile shark, Bigeye sand tiger, Pelagornithidae, Odontaspis
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Carcharias

For Carcharodon carcharias, see Great White Shark.
Carcharias taurus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Lamniformes
Family: Odontaspididae
Genus: Carcharias
Rafinesque, 1810
Species

See text for species.

Definition

Type and sole genus of Carchariidae: sand sharks [1]

Description

Differentiating different breeds of sharks is usually done by locating and measuring their fins. The second dorsal fin and the anal fin are very large. In fact, they are about equal in size. The pectoral fins are triangular and only slightly larger than the dorsal fins. The teeth are very long and narrow with sharp points. The teeth are smooth with no ridges. The tail is one third of the entire body size.[2]

Habitat

Sand Tiger Sharks live in water depths ranging from 0 to 190 meters. They are found in the Western Atlantic Sea, from the Gulf of Maine to Argentina. They have been sighted in Brazil and Bermuda. They migrate in the autumn and in the winter towards the poles. They are commonly found in surf zones.[3]

Diet

Carcharias species hunt bony fish, small sharks, rays, squids, crabs, and lobsters.[3]

Sharks portal

Size

Carcharias are 250 centimeters long on average. The maximum weight of the shark is 158.8 kg. [4]

Species

Extant

  • Genera Carcharias
    • [1]
    • [2]

Cretaceous species[5]

    • Carcharias amonensis
    • Carcharias tenuiplicatus
    • Carcharias cf. holmdelensis Maastrichtian
    • Carcharias samhammeri Late Cretaceous

Paleogene species[5]

    • Carcharias whitei (Arambourg, 1952) - Palaeocene
    • Carcharias hopei (Agassiz, 1843) - Late Palaeocene - Eocene
    • Carcharias acutissima (Agassiz, 1844) - Late Eocene
    • Carcharias teretidens (White, 1931, - Late Palaeocene - Eocene
    • Carcharias robusta? (Leriche, 1921) - Early Eocene
    • Carcharias atlasi
    • Carcharias koerti (Stromer, 1905)
    • Carcharias vincenti (Woodward, 1899)
    • Carcharias teretidens - maybe placed into its own genus as Sylvestrilamia teretidens[6]

Neogene[5][7]

    • Carcharias acutissima (Agassiz, 1843), Oligocene - Pliocene
    • Carcharias reticulata (Probst, 1879), Oligocene - Miocene
    • Carcharias cuspidata (Agassiz, 1843), Oligocene - Miocene
    • Carcharias taurus (Rafinesque, 1810), Pleistocene
    • Carcharias taurus Rafinesque, 1810, Pliocene - Pleistocene
    • Carcharias cuspidata (Agassiz, 1843), Pliocene - Miocene
    • Carcharias sp. - unidentified but maybe similar to the Carcharias contortidens as described by Agassiz in 1843, from the Miocene.
    • Carcharias reticulata (Kent 1994) maybe classified as Odontaspis acutissma (Agassiz 1843) from the Miocene.

References

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