Navajosphenodon
Extinct genus of reptile
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Navajosphenodon is an extinct genus of sphenodontid reptile from the Early Jurassic Kayenta Formation of Arizona, United States. It is known from a fully articulated skeleton and is similar in many aspects to the extant tuatara, both belonging to the Sphenodontinae, including sharing a complete lower temporal bar. It is one of the oldest known sphenodontines.[1]
| Sphenodontia |
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| Navajosphenodon Temporal range: | |
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| Holotype specimen, scale bar: 1 cm | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Suborder: | Sphenodontia |
| Infraorder: | Eusphenodontia |
| Clade: | Neosphenodontia |
| Family: | Sphenodontidae |
| Subfamily: | Sphenodontinae |
| Genus: | †Navajosphenodon Simões, Kinney-Broderick & Pierce, 2022 |
| Type species | |
| Navajosphenodon sani Simões, Kinney-Broderick & Pierce, 2022 | |
CT scan of skull
Illustration of the skull in lateral view
