Edaphosauridae

Extinct family of synapsids From Wikipedia, the free encyclopedia

Edaphosauridae is a family of mostly large (up to 3 m (9.8 ft) or more) Late Carboniferous to Early Permian synapsids. Edaphosaur fossils are so far known only from North America and Europe.

Phylum:Chordata
Clade:Synapsida
Family:Edaphosauridae
Cope, 1882
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Characteristics

They were the earliest known herbivorous amniotes and, along with the Diadectidae, the earliest known herbivorous tetrapods.[1] The head is small in relation to the bulky body, and there is a tall sail along the back, the purpose of which is unknown and a subject of active research and debate, but which was once widely believed to have functioned as a thermoregulatory device.

Classification

The interrelationships of Edaphosauridae was investigated in details by David M. Mazierski and Robert R. Reisz (2010). The cladogram below is modified after their phylogenetic analysis.[3]

Edaphosauridae

Below is a cladogram modified from the analysis of Benson (2012):[4]

References

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