Derasmosaurus
Derasmosaurus is an extinct species of sphenodontid rhynchocephalian known from the 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.[1] It is distinct from other indeterminate rhychocephalians found in the Plattenkalk.[2] It is considered to be aquatically adapted, and possibly a member of the Pleurosauridae.[3]
| Derasmosaurus Temporal range: | |
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Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Family: | Sphenodontidae |
| Genus: | †Derasmosaurus Barbera and Macuglia, 1988 |
| Type species | |
| †Derasmosaurus pietrarojae Barbera and Macuglia, 1988 | |
References
- C. Barbera and L. Macuglia. 1988. Revisione dei tetrapodi del Cretacico Inferiore di Pietraroia (Matese Orientale, Benevento) appartenenti alla collezione Costa del Museo di Paleontologia dell'Università di Napoli [Revision of the tetrapods from the Lower Cretaceous of Pietraroia (Eastern Matese, Benevento) belonging to the Costa collection of the Paleontological Museum of the University of Naples]. Memorie della Società Geologica Italiana 41(1):567-574
- Cau, Andrea; Baiano, Mattia A.; Raia, Pasquale (May 2014). "A new sphenodontian (Reptilia, Lepidosauria) from the Lower Cretaceous of Southern Italy and the phylogenetic affinities of the Pietraroia Plattenkalk rhynchocephalians". Cretaceous Research. 49: 172–180. doi:10.1016/j.cretres.2014.02.001.
- Simões, Tiago R.; Caldwell, Michael W.; Pierce, Stephanie E. (2020-12-07). "Sphenodontian phylogeny and the impact of model choice in Bayesian morphological clock estimates of divergence times and evolutionary rates". BMC Biology. 18 (1): 191. doi:10.1186/s12915-020-00901-5. ISSN 1741-7007. PMC 7720557. PMID 33287835.
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