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Ariekanerpeton is an extinct genus of seymouriamorph from the lower Permian. Fossils have been found from Tajikistan representing over 900 individuals of various stages of ontogenic development.[1] However, it is thought that none of these specimens are of fully mature animals as poor bone ossification is present and the neural arches are paired and disarticulated from the pleurocentra.[2]
| Ariekanerpeton Temporal range: Early Permian 284 Ma | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Seymouriamorpha |
| Family: | †Discosauriscidae |
| Genus: | †Ariekanerpeton Ivakhnenko, 1981 |
| Species | |
|
A. sigalovi Ivakhnenko, 1981 (type) | |
Ariekanerpeton is thought to have been more closely related to Discosauriscus and Seymouria than to Utegenia due to the absence of gastralia or a postorbital-supratemporal contact. However, it is not a member of the family Discosauriscidae or the family Seymouriidae. There are no dermal scales present on post-metamorphic specimens as there are on Discosauriscus.[3] Lateral lines are present in the skulls of larval individuals but are lost soon after metamorphosis. Unlike Utegenia and Discosauriscus, Ariekanerpeton is thought to have inhabited relatively arid environments.[4]
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