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...
| Autores principales: | , , , |
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| Formato: | Artículo |
| Lenguaje: | English |
| Publicado: |
Association Carnets de Geologie
2008-08-01
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| Colección: | Carnets de Géologie |
| Materias: | |
| Acceso en línea: | http://paleopolis.rediris.es/cg/CG2008_L03/index.html |