Cynosphenodon
| Cynosphenodon Temporal range: Middle Jurassic | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Sauropsida |
| Subclass: | Diapsida |
| Infraclass: | Lepidosauria |
| Order: | Sphenodontia |
| Family: | Sphenodontidae |
| Subfamily: | Sphenodontinae |
| Tribe: | Sphenodontini |
| Genus: | Cynosphenodon † |
| Species | |
| |
Cynosphenodon (/ˌsaɪnəˈsfɛnədɒn/ SY-nə-SFEN-ə-don; "Dog Sphenodontian") is an extinct genus of the family Sphenodontidae from the Middle Jurassic La Boca Formation of Tamaulipas, Mexico. Growth patterns in the teeth of Cynosphenodon suggest its close relationship with the modern tuatara.[2]
Notes
- ↑ Reynoso, V. H. (1996). A middle Jurassic Sphenodon-like sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico. Journal of Vertebrate Paleontology 16(2), 210-221.
- ↑ Reynoso, V. H. (2003). Growth patterns and ontogenetic variation of the teeth and jaws of the Middle Jurassic sphenodontian Cynosphenodon huizachalensis (Reptilia: Rhynchocephalia). Canadian Journal of Earth Sciences 40(4), 609-619
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