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Tetrapods from Permo-Triassic boundary in Russia

From: Ben Creisler

A new paper in Paleontological Journal:

A. G. Sennikov and V. K. Golubev (2012)
On the faunal verification of the Permo-Triassic boundary in
continental deposits of eastern Europe: 1. Gorokhovets-Zhukov ravine.
Paleontological Journal 46(3): 313-323
DOI: 10.1134/S003103011203015X

A reference section of the Permian and Triassic continental deposits
of the Zhukov ravine near the town of Gorokhovets (Vladimir Region) is
described and new tetrapod localities are characterized. The position
of the Permian-Triassic boundary in this section is recognized and its
faunal substantiation based on vertebrates is provided for the first
time. The Zhukov ravine section is unique in the fact that it shows a
thick stratigraphically continuous succession of the Permo-Triassic
boundary beds, with three successive tetrapod zones: the terminal
Permian Chroniosuchus paradoxus and Archosaurus rossicus zones and the
Early Triassic Tupilakosaurus wetlugensis Zone.