Chitinozoaires de l'Arenig supérieur (Zone D) de la Formation de Lévis, Québec, Canada

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Abstract
The Shumardia limestone that forms the upper part of the Levis Formation (Zone D) yields well preserved assemblages of chitinozoans.These assemblages seem to be characterized by a new species: Conochitina pirum. They also contain Fustichitina langei, Conochitina poumoti, and Conochitina cf. C. kryos species, which permit a comparison with Arenig microfaunas from Spitsbergen and Australia.The paleontological data, especially those given by graptolites, indicate that Zone D is of late Arenig age. This age determination is corroborated by the absence of lower Llanvirn chitinozoans in the samples studied.

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