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Extinct species of reptile From Wikipedia, the free encyclopedia
Alligator mcgrewi is an extinct species of alligator described by K.P. Schmidt in 1941. They lived in the Early Miocene period,[2][3] and their range was principally in what is now Nebraska, United States.[2]
Alligator mcgrewi Temporal range: Early Miocene | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | Archosauromorpha |
Clade: | Archosauriformes |
Order: | Crocodilia |
Family: | Alligatoridae |
Subfamily: | Alligatorinae |
Genus: | Alligator |
Species: | †A. mcgrewi |
Binomial name | |
†Alligator mcgrewi Schmidt, 1941 | |
Alligator mcgrewi is a member of the subfamily Alligatorinae, within the larger family Alligatoridae. It is related to the living American alligator and Chinese alligator, as shown in the cladogram below:[4][5]
Alligatoridae |
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The average measurements for the skull of A. mcgrewi are 145 x 96 in millimeters. Based on the length, the estimated body mass was 3 kg.[2]
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