Sphenovipera
| Sphenovipera Temporal range: | |
|---|---|
| A silhouette showing the jaw of Sphenovipera in medial view | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Family: | Sphenodontidae |
| Genus: | †Sphenovipera Reynoso, 2005 |
| Species | |
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Sphenovipera jimmysjoyi is an extinct species of sphenodontian dated from the Jurassic. If was discovered in the lower part of the La Boca Formation located in Tamaulipas, Mexico. Only the lower jaw of this organism has been discovered and studied. It is possibly the only species of rhynchocephalian yet discovered to show evidence of venom delivery. The material was originally described as Middle Jurassic in age but La Boca Formation is now considered Early Jurassic in age.