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: Albian
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

  1. 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
  2. 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.
  3. 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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