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Galeocerdo

Genus of sharks From Wikipedia, the free encyclopedia

Galeocerdo
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Galeocerdo is a genus of ground shark. Only a single species, G. cuvier, the tiger shark, is extant.[1] The earliest fossils date back to the early Eocene epoch, (Ypresian), around 56–47.8 Million years ago.[2] While historically considered a member of the requiem shark family Carcharhinidae, it is currently considered to be the only member of the family Galeocerdonidae.[3] While this genus was historically considered diverse, including 21 extinct species, morphometric analysis conducted in 2021 suggested that the diversity of the genus included only 5 extinct species (including the Eocene †G. clarkensis and †G. eaglesomei, Oligocene-late MioceneG. aduncus, Miocene †G. mayumbensis, and PlioceneG. capellinii) much lower than previously assumed. The oldest fossils of the extant G. cuvier date to the middle Miocene.[2]

Quick Facts Scientific classification, Type species ...
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Species

Species historically considered valid in the genus Galeocerdo include:[4]

References

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