Pachystropheus
| Pachystropheus Temporal range: Late Triassic | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | †Thalattosauria |
| Genus: | †Pachystropheus von Huene, 1935 |
| Species: | †P. rhaeticus |
| Binomial name | |
| †Pachystropheus rhaeticus von Huene, 1935 | |
Pachystropheus (After Greek Pachys, "Thick" and Strophaios, Vertebrae) is a genus of prehistoric thalattosaurian marine reptile, from the Rhaetian (Late Triassic) of southwestern England. It is the youngest known thalattosaur.