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Extinct genus of reptiles From Wikipedia, the free encyclopedia
Protoalligator is an extinct genus of alligatoroid crocodilian found in the Anhui province of China and lived during the Paleocene.
Protoalligator Temporal range: Paleocene | |
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Partial skull and jaw of Protoalligator huiningensis, on display at the Paleozoological Museum of China | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | Archosauromorpha |
Clade: | Archosauriformes |
Order: | Crocodilia |
Superfamily: | Alligatoroidea |
Clade: | Globidonta |
Clade: | †Orientalosuchina |
Genus: | †Protoalligator Wang, Sullivan & Liu, 2016 |
Species | |
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Synonyms | |
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P. huiningensis, was originally named Eoalligator huiningensis, which therefore remains the type species of the genus.[1] But then a 2016 study of Chinese alligators by Wang et al. found the type species Eoalligator chunyii to be a junior synonym of Asiatosuchus nanlingensis and a basal member of Crocodylidae.[2] However, a subsequent study by Wu et al. disagreed with the synonymy of "Asiatosuchus" nanlingensis and Eoalligator chunyii, finding them to be distinct based on first-hand studies of the holotypes and cladistic analysis, although they agreed in classifying E. chunyii as a crocodyloid.[3] In 2016, Wang et al. also found Eoalligator huiningensis to be an alligatoroid distinct from E. chunyii, and thus moved Eoalligator huiningensis to the new genus Protoalligator.[2]
A 2019 study by Massonne et al. included additional taxa from Southeast Asia and found Eoalligator and Protoalligator to be related and as basal members of Alligatoroidea, as shown in the cladogram below:[4]
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