Alligator thomsoni
| Alligator thomsoni Temporal range: Miocene
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauromorpha |
| Clade: | Archosauriformes |
| Order: | Crocodilia |
| Family: | Alligatoridae |
| Genus: | Alligator |
| Species: | †A. thomsoni
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| Binomial name | |
| †Alligator thomsoni Mook, 1923
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Alligator thomsoni is an extinct species of alligator that existed during the Early Miocene period. Their range was principally in what is now known as Nebraska, United States.[1][2]
Classification[edit]
Alligator thomsoni is a member of the subfamily Alligatorinae, within the larger family Alligatoridae. It is closely related to the living American alligator, as shown in the cladogram below:[3][4]
| Alligatoridae |
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Measurements[edit]
The average measurement for the skull of a A. thomsoni is 363.0 x 223.0 in millimeters. Based on the length, the estimated body mass 67.8 kg.[1]
References[edit]
- ^ a b “Alligator Thomsoni Mook 1923 (Alligator).” Fossilworks, Fossilworks.
- ^ “Alligator Thomsoni Mook, 1923.” GBIF, www.gbif.org/species/4967707.
- ^ Hastings, A. K.; Bloch, J. I.; Jaramillo, C. A.; Rincon, A. F.; MacFadden, B. J. (2013). "Systematics and biogeography of crocodylians from the Miocene of Panama". Journal of Vertebrate Paleontology. 33 (2): 239. Bibcode:2013JVPal..33..239H. doi:10.1080/02724634.2012.713814. S2CID 83972694.
- ^ Brochu, C. A. (2011). "Phylogenetic relationships of Necrosuchus ionensis Simpson, 1937 and the early history of caimanines". Zoological Journal of the Linnean Society. 163: S228–S256. doi:10.1111/j.1096-3642.2011.00716.x.
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