Xiphodontidae
Template:Short description Template:Automatic taxobox
Xiphodontidae is an extinct family of herbivorous even-toed ungulates (order Artiodactyla), endemic to Europe during the Eocene 40.4—33.9 million years ago, existing for about 7.5 million years.[1] Paraxiphodon suggests that they survived into the Lower Oligocene, at least.[2]
Description
The molar teeth of xiphodontids are brachydont (low crowned) and selenodont.[3]
Taxonomy
The Xiphodontidae were named by Flower (1883). It was assigned to Artiodactyla by Cope (1889); to Xiphodontoidea by Hooker (1986); and to Tylopoda by Carroll (1988).[4][5] A 2020 study suggested them to be related to ruminants, as well as other Europe-endemic artiodactyls like Cainotheriidae and Anoplotheriidae.[6]
References
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- ↑ PaleoBiology Database: Xiphodontidae, basic info
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- ↑ J. J. Hooker. 1986. Mammals from the Bartonian (middle/late Eocene) of the Hampshire Basin, southern England. Bulletin of the British Museum (Natural History) 39(4):191-478
- ↑ R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698
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