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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde

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Foss. Rec., 20, 87-93, 2017
http://www.foss-rec.net/20/87/2017/
doi:10.5194/fr-20-87-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
21 Feb 2017
A re-examination of the enigmatic Russian tetrapod Phreatophasma aenigmaticum and its evolutionary implications Neil Brocklehurst and Jörg Fröbisch
Publications Copernicus
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Short summary
Phreatophasma is a mysterious species from the middle Permian of Russia. Since its description in 1954, it has been assigned to many different groups: therapsids (the most diverse of middle Permian terrestrial vertebrates), caseids (one of the earliest herbivore lineages), and seymouriamorphs (a Permian amphibian clade). Using recent knowledge of morphology and state-of-the art analyses, we confirm that Phreatophasma is one of the youngest members of Caseidae, the second member to enter Russia.
Phreatophasma is a mysterious species from the middle Permian of Russia. Since its description...
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