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17 March 2020 A note on Placenticeras warthi Kossmat, 1895 (Ammonoidea), the type species of the genus Hypengonoceras Spath, 1922
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Abstract

The type species Placenticeras warthiKossmat, 1895 described from the Early Cretaceous (Albian) of South India is crucial for understanding the true affinity of the genus HypengonocerasSpath, 1922. The species description was based on a holotype and was influenced by the erroneous and misleading hand sketches of the species published in the literature. We recently inspected the type specimen archived in Geological Survey of India, Kolkata, along with one additional specimen kept in Indian Museum, Kolkata, and redescribe them in the present study.

Copyright © 2019, The Paleontological Society
Arindam Roy and Subhendu Bardhan "A note on Placenticeras warthi Kossmat, 1895 (Ammonoidea), the type species of the genus Hypengonoceras Spath, 1922," Journal of Paleontology 94(2), 378-384, (17 March 2020). https://doi.org/10.1017/jpa.2019.49
Accepted: 18 May 2019; Published: 17 March 2020
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