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Extinct genus of neosuchian crocodile From Wikipedia, the free encyclopedia
Paralligator is an extinct genus of neosuchian crocodylomorph that lived during the Late Cretaceous (Cenomanian-Maastrichtian) period in what is now the Bayan Shireh and Nemegt formations of Mongolia, approximately 96 million to 70 million years ago. P. gradilifrons reached up to 4 m (13 ft) in length.[1][2]
Paralligator Temporal range: Late Cretaceous, ~ | |
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P. gradilifrons and P. major skulls from the Bayan Shireh Formation | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | Archosauria |
Clade: | Pseudosuchia |
Clade: | Crocodylomorpha |
Clade: | Crocodyliformes |
Clade: | Neosuchia |
Family: | †Paralligatoridae |
Genus: | †Paralligator |
Type species | |
†Paralligator gradilifrons Konzhukova, 1954 | |
Other species | |
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Synonyms | |
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Two species are recognized:[3]
"Paralligator" sungaricus, described from the Early Cretaceous Nenjiang Formation of Jilin Province, China, is based on postcranial remains consisting of a few presacral vertebrae, dorsal osteoderms, a partial left femur, and the proximal part of a left tibia and fibula.[6][7] However, the type material is too fragmentary to be considered diagnostic, and the species is a nomen dubium.[3] Turner (2015) also referred P. ancestralis a junior subjective synonym of P. gradilifrons.[3]
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