Aptychi from the Berriasian/Valanginian (France and Spain): new stratigraphical and morphological details

Authors

  • Zdeněk Vašíček
  • Nico M. M. Janssen
  • Jaap Klein

DOI:

https://doi.org/10.14241/asgp.2016.012

Abstract

Late Berriasian–earliest Valanginian lamellaptychi (Cephalopoda) are described in detail for the first time. With one exception, all species belong to early representatives of Mortilletilamellaptychus. The majority of the well dated aptychi come from the cephalopod-rich sediments of the Vocontian Basin in south-eastern France; others are from south-eastern Spain. Thorolamellaptychus anglesensis sp. nov. is introduced.

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