Cyrtlatherium
| Cyrtlatherium Temporal range: Middle Jurassic,
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| Genus: | †Cyrtlatherium Freeman, 1979
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| †Cyrtlatherium canei Freeman, 1979
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Cyrtlatherium is a genus of extinct docodontan mammaliaform from the Middle Jurassic rocks of Oxfordshire, England. As it is only known from a few isolated molar teeth, there is disagreement about whether Cyrtlatherium is a separate genus of mammal, or whether it is a synonym and the molar teeth are the milk teeth of another genus of docodont.
Cyrtlatherium was named from a few single molar teeth in the Kirtlington mammal beds in England, and was originally thought to be a kuehneotheriid mammal,[1] but was later reclassified as belonging to a docodont mammal.[2] When reclassifying it, Sigogneau-Russell argued that it was the milk tooth of a previously named docodont called Simpsonodon. This is now generally accepted to be the case by most mammal palaeontologists.
References
- ^ Freeman EF. 1979. A Middle Jurassic mammal bed from Oxfordshire. Palaeontology 22:135-166
- ^ Sigogneau-Russell D. 2001 Docodont nature of Cyrtlatherium, an upper Bathonian mammal from England. Acta Palaeontologica Polonica, 46:429-430
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