Coartaredens

Coartaredens isaaci; Temporal range: Middle Triassic, Anisian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Genus:	† Coartaredens ; Spencer & Storrs, 2002
Species:	†C. isaaci
Binomial name
	†Coartaredens isaaci; Spencer & Storrs, 2002

Last updated September 29, 2025

Coartaredens is an extinct genus of reptile from the Middle Triassic of England. It contains a single species, Coartaredens isaaci, from the Anisian-age Otter Sandstone of Devon. The species is based on a partial jaw and other fragments with large conical teeth. Though originally described as a lepidosauromorph,^[1]^[2] some authors have instead considered it to be a procolophonid.^[3]

References

↑ Spencer, P. S.; Storrs, G. W. (2002). "A Re-evaluation of Small Tetrapods from the Middle Triassic Otter Sandstone Formation of Devon, England". Palaeontology. 45 (3): 447–467. Bibcode:2002Palgy..45..447S. doi: 10.1111/1475-4983.00245 . ISSN 1475-4983.
↑ Cavicchini, Iacopo; Zaher, Marta; Benton, Michael J. (2020-05-03). "An Enigmatic Neodiapsid Reptile from the Middle Triassic of England". Journal of Vertebrate Paleontology. 40 (3) e1781143. Bibcode:2020JVPal..40E1143C. doi: 10.1080/02724634.2020.1781143 . ISSN 0272-4634. S2CID 222186694.
↑ Evans, Susan; Jones, Marc (2010). "The Origin, Early History and Diversification of Lepidosauromorph Reptiles". New Aspects of Mesozoic Biodiversity (PDF). Lecture Notes in Earth Sciences. Vol. 132. pp. 27–44. doi:10.1007/978-3-642-10311-7_2. ISBN 978-3-642-10310-0.

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[1] Spencer, P. S.; Storrs, G. W. (2002). "A Re-evaluation of Small Tetrapods from the Middle Triassic Otter Sandstone Formation of Devon, England". Palaeontology. 45 (3): 447–467. Bibcode:2002Palgy..45..447S. doi: 10.1111/1475-4983.00245 . ISSN 1475-4983.

[2] Cavicchini, Iacopo; Zaher, Marta; Benton, Michael J. (2020-05-03). "An Enigmatic Neodiapsid Reptile from the Middle Triassic of England". Journal of Vertebrate Paleontology. 40 (3) e1781143. Bibcode:2020JVPal..40E1143C. doi: 10.1080/02724634.2020.1781143 . ISSN 0272-4634. S2CID 222186694.

[3] Evans, Susan; Jones, Marc (2010). "The Origin, Early History and Diversification of Lepidosauromorph Reptiles". New Aspects of Mesozoic Biodiversity (PDF). Lecture Notes in Earth Sciences. Vol. 132. pp. 27–44. doi:10.1007/978-3-642-10311-7_2. ISBN 978-3-642-10310-0.

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