Alligatoroidea

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Alligatoroidea
Temporal range: Late Cretaceous - Recent, 83.5–0 Ma
Two american alligators.jpg
Alligators (shown above) and caimans are living members of the superfamily Alligatoroidea.
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Crocodylomorpha
Order: Crocodilia
Clade: Brevirostres
Superfamily: Alligatoroidea
Gray, 1844
Subgroups

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Alligatoroidea is a superfamily of crocodilians that evolved in the Late Cretaceous period. Cladistically, alligatoroidea is Alligator mississippiensis (the American alligator) and all crocodylians more closely related to A. mississippiensis than to either Crocodylus niloticus (the Nile crocodile) or Gavialis gangeticus (the gharial).[1]

References

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