New insight on the genus Nolaniceras Casey, 1961 (Ammonoidea,Cretaceous) and its consequences on the biostratigraphy of the Aptian Stage |
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| Authors: | Luc G Bulot Jean-Louis Latil Alex Hairabian Arnaud Fournillon |
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| Institution: | 1. Aix-Marseille Université, UMR CNRS 7330 CEREGE, Centre Saint-Charles, Case 67, 3 Place Victor Hugo, 13331 Marseille Cedex 03, France;2. Le Maupas, 05300 Lazer, France |
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| Abstract: | Nolaniceras nolani ( Seunes, 1887) has been widely quoted in the Upper Aptian literature over the years. Re-examination of the holotype of the species shows that it has always been misidentified and that this taxon is represented by a single specimen, the holotype, of uncertain age. As a consequence, its use as an index species for the Upper Aptian should be reconsidered and abandoned. |
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| Keywords: | Aptian Cretaceous Ammonite Clansayes France Biostratigraphy Western Tethys |
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