A re-examination of the enigmatic Russian tetrapod <i>Phreatophasma aenigmaticum</i> and its evolutionary implications
<i>Phreatophasma aenigmaticum</i> is a mysterious tetrapod from the earliest middle Permian of Russia, represented by a single femur. At various times since its original description it has been considered a therapsid synapsid, a pelycosaurian-grade synapsid from the family Caseidae, and...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Pensoft Publishers
2017-02-01
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| Series: | Fossil Record |
| Online Access: | http://www.foss-rec.net/20/87/2017/fr-20-87-2017.pdf |