Derasmosaurus
Derasmosaurus is an extinct species of rhynchocephalian known from the Early Cretaceous (Albian) aged Pietraroja Plattenkalk of Italy. It was originally considered to be a specimen of Lacerta brevicauda by Costa in 1866, it was later considered a specimen of the lizard Chometokadmon fitzingeri by D'Erasmo in 1915. It was described as a distinct rhynchocephalian genus in 1988. It is distinct from other indeterminate rhychocephalians found in the Plattenkalk. It is considered to be aquatically adapted, and possibly a member of the Pleurosauridae.
| Derasmosaurus Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Suborder: | Sphenodontia |
| Genus: | †Derasmosaurus Barbera and Macuglia, 1988 |
| Type species | |
| †Derasmosaurus pietrarojae Barbera and Macuglia, 1988 | |
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