Gymnarthridae
Sign in to saveGymnarthridae is an extinct family of the group Recumbirostra. Gymnarthrids are known from Europe and North America and existed from the Late Carboniferous through the Early Permian. Remains have been found from the Czech Republic, Nova Scotia, Illinois, Texas, and Oklahoma. Previously they were considered tuditanomorph microsaurs.
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- taxon name
- Gymnarthridae
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- Microsauria
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Gymnarthridae is an extinct family of the group Recumbirostra. Gymnarthrids are known from Europe and North America and existed from the Late Carboniferous through the Early Permian. Remains have been found from the Czech Republic, Nova Scotia, Illinois, Texas, and Oklahoma. Previously they were considered tuditanomorph microsaurs.
Gymnarthrids are relatively elongate with short limbs. The skulls of gymnarthrids are also small, with a single row of large conical teeth on the margin of the jaw (a feature that distinguishes them from other microsaurs). In some genera, such as Bolterpeton and Cardiocephalus, the teeth are labiolingually compressed.
Excerpted from Wikipedia’s “Gymnarthridae” article, available under the CC BY-SA 4.0 licence.