Paleontological Journal

, Volume 42, Issue 9, pp 859–995

Cranial morphology and evolution of Permian Dinomorpha (Eotherapsida) of eastern Europe

Authors

    • Paleontological InstituteRussian Academy of Sciences
Article

DOI: 10.1134/S0031030108090013

Cite this article as:
Ivakhnenko, M.F. Paleontol. J. (2008) 42: 859. doi:10.1134/S0031030108090013

Abstract

A Revision of the cranial morphology of Middle and Late Permian East European Dinomorpha (Theromorpha, Eotherapsida) resulted in a clarification of the taxonomic relationships within this group. As the system was constructed, four parameters, i.e., morphological, biomorph, and geographical and stratigraphic ranges, were taken into account in each subordinate taxon. The taxon Theromorpha is ranked as class, since it was primarily formed as a pilidosic group (covered with hair), in contrast to the class Reptilia, a pholidosic group (covered with scales).

Key words

TheromorphaEotherapsidaDinomorphamorphologybiomorphsPermianeastern Europe
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© Pleiades Publishing, Ltd. 2008