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Tatiana B. Leonova
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Book: The Permian Timescale
Series: Geological Society, London, Special Publications
Publisher: Geological Society of London
Published: 01 January 2018
DOI: 10.1144/SP450.7
EISBN: 9781786203311
Abstract: A brief historical review of ammonoid-based Permian biostratigraphy is performed. Changes in ammonoid associations are shown for each of nine Permian stages. The major correlation problems were discussed. A renewed ammonoid zonal scale is proposed.