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Ophidia
| Ophidians | |
|---|---|
| |
| Coast garter snake, Thamnophis elegans terrestris | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Clade: | Toxicofera |
| Clade: | Ophidia Latreille, 1804 |
| Subgroups | |
Ophidia /oʊˈfɪdiə/ (also known as Pan-Serpentes[2]) is a group of squamate reptiles including modern snakes and reptiles more closely related to snakes than to other living groups of lizards.
Ophidia was defined as the "most recent common ancestor of Pachyrhachis and Serpentes (modern snakes), and all its descendants" by Lee and Caldwell (1998: 1551).[3]
The clade name Ophidia derives from the Ancient Greek word ὀφίδιον (ophídion), meaning "small snake".[4][5]
- ^ Cite error: The named reference
oldest_snakeswas invoked but never defined (see the help page). - ^ Hsiang, A. Y.; Field, D. J.; Webster, T. H.; Behlke, A. D.; Davis, M. B.; Racicot, R. A.; Gauthier, J. A. (2015). "The origin of snakes: Revealing the ecology, behavior, and evolutionary history of early snakes using genomics, phenomics, and the fossil record". BMC Evolutionary Biology. 15: 87. doi:10.1186/s12862-015-0358-5. PMC 4438441. PMID 25989795.
- ^ Lee, M. S. Y. (29 October 1998). "Anatomy and relationships of Pachyrhachis problematicus, a primitive snake with hindlimbs". Philosophical Transactions of the Royal Society B: Biological Sciences. 353 (1375): 1521–1552. doi:10.1098/rstb.1998.0308. PMC 1692386.
- ^ Bailly, Anatole (1981-01-01). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 978-2010035289. OCLC 461974285.
- ^ Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved January 7, 2019.
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