Alligator mcgrewi
Temporal range: Early Miocene 20.43–15.97 Ma[1]
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Scientific classification Edit this 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 an extinct species of alligator described by K.P. Schmidt. They lived in the Early Miocene period,[2][3] and their range was principally in what is now Nebraska, United States.[2]

Measurements

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]

References

  1. ^ Rio, Jonathan P.; Mannion, Philip D. (6 September 2021). "Phylogenetic analysis of a new morphological dataset elucidates the evolutionary history of Crocodylia and resolves the long-standing gharial problem". PeerJ. 9: e12094. doi:10.7717/peerj.12094. PMC 8428266. PMID 34567843.
  2. ^ a b c "†Alligator mcgrewi Schmidt 1941 (Alligator)". Paleobiology Database. Fossilworks. Retrieved 13 November 2020.
  3. ^ Alligator mcgrewi Schmidt, 1941 in Paleobiology Database (2018). The Paleobiology Database. Checklist dataset https://doi.org/10.15468/zzoyxi accessed via GBIF.org on 2020-11-05.


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