About the stratigraphic position of the Lower Aptian Roloboceras hambrovi (Ammonoidea) level

In the stratotype of the Lower Aptian substage the position of the assemblage that includes Roloboceras spp. and Megatyloceras spp. has been clearly established as being in the middle part of the upper Bedoulian. Some authors have erected this horizon as a subzone, or even a zone, with R. hambrovi a...

Full description

Bibliographic Details
Main Authors: Conte Gabriel, Tronchetti Guy, Moullade Michel, Ropolo Pierre
Format: Article
Language:English
Published: Rediris 2008-08-01
Series:Carnets de Géologie
Subjects:
Online Access:http://paleopolis.rediris.es/cg/CG2008_L03/index.html