Athena Review Image Archive ™
Chroniosaurus dongusensis skull
Skull of Chroniosaurus dongusensis (image: after Golubev 1998.)
Chroniosaurus is
an extinct genus of reptiliomorph from upper Permian (upper
Tatarian age) deposits in Russia in the Novgorod, Orenburg and Vologda
Regions, dating from 258-252 mya. It was first named by Tverdokhlebova
in 1972. The type species is Chroniosaurus dongusensis. It is related to Chronisuchus and is grouped in the chroniosuchia order.
References:
V. K. Golubev (1998). "Revision of the Late Permian Chroniosuchians (Amphibia, Anthracosauromorpha) from Eastern Europe. Paleontological Journal. 32 (4): 390–401.
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