Navajosphenodon
| Navajosphenodon Temporal range: | |
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| Holotype specimen, scale bar: 1 cm | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| 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
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 skull and skeleton (the holotype, MNA.V.12442) and several referred specimens, representing individuals of various ontogenetic stages. Navajosphenodon 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.
| Sphenodontia |
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References
- ↑ Simões, Tiago R.; Kinney-Broderick, Grace; Pierce, Stephanie E. (2022-03-03). "An exceptionally preserved Sphenodon-like sphenodontian reveals deep time conservation of the tuatara skeleton and ontogeny". Communications Biology. 5 (1): 195. doi:10.1038/s42003-022-03144-y. ISSN 2399-3642. PMC 8894340. PMID 35241764.
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