Alligator prenasalis
| Alligator prenasalis Temporal range: Late Eocene, | |
|---|---|
| Skeleton of Alligator prenasalis (AMNH 4994) in the American Museum of Natural History | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauromorpha |
| Clade: | Archosauriformes |
| Order: | Crocodilia |
| Family: | Alligatoridae |
| Subfamily: | Alligatorinae |
| Genus: | Alligator |
| Species: | A. prenasalis |
| Binomial name | |
| Alligator prenasalis (Loomis, 1904) | |
| Synonyms | |
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Alligator prenasalis is an extinct species of alligator from the Late Eocene period. It is well known, with many fossils having been collected from the Chadron and Brule Formations in South Dakota. The species was first named in 1904, but was originally classified as a crocodile in the genus Crocodilus. It was reassigned to the genus Alligator in 1918 on the basis of more complete material. It is the earliest known member of the genus Alligator.
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