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Cisuralian Series
Kungurian Stage
Time:2012-09-27 viewd:3231 times

A: The evolutionary lineage of Neostreptognathodus pequopensis Behnken – N. pnevi Kozur and Movshovitsch Chernykh from the Rockland Section in Pequop Moutains, Neveda, USA. 1-7, Neostreptognathodus penvi; 8-13, mostly transitional; 14-19, Neostreptognathodus pequopensis Behnken
B: The evolutionary lineage of Neostreptognathodus pequopensis Behnken – N. pnevi Kozur et Movshovitsch Chernykh from the Mechetlino Section in southern Urals, Russia. 1 - Neostreptognathodus pequopensis, from bed 4; 2 - transitional from N. pequopensis to N. pnevi, from bed 9; 3 – N. pnevi, from bed 9.

Copyright© 2012 International Subcommission on Permian Stratigraphy. All rights reserved