Upper cenomanian ammonites from the environs of Saumur, and the provenance of the types of Ammonites vibrayeanus and Ammonites geslinianus
Ammonite faunas consisting of Neolobites vibrayeanus (d'Orbigny), Calycoceras (Calycoceras) naviculare (Mantell), C. (Lotzeites(?)) sp., Pseudocalycoceras lattense Thomel, Metoicoceras geslinianum (d'Orbigny) and Euomphaloceras septemseriatum (Cragin) from Saumur, within the type area of t...
| Auteurs principaux: | , |
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| Format: | Journal article |
| Langue: | English |
| Publié: |
1981
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