Article

Paleontological Journal

, Volume 45, Issue 9, pp 981-1144

Permian and Triassic Therocephals (Eutherapsida) of Eastern Europe

  • M. F. IvakhnenkoAffiliated withBorissiak Paleontological Institute, Russian Academy of Sciences Email author 

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Abstract

Cranial morphology of Permian and Triassic Therocephalia of Eastern Europe is revised. The Therocephalia are regarded as an order of the subclass Eutherapsida of the class Theromorpha. Phylogenetic relationships are reconsidered and a tentative taxonomic scheme of the order is proposed. Biomorph evolution of East European Therocephalia from the Middle Permian to the Middle Triassic are discussed.

Keywords

Theromorpha Eutherapsida Therocephalia morphology biomorphs Permian-Triassic Eastern Europe