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Ammonites bidichotomus
# Coquille d'ammonite du Crétacé inférieur
> o *Identification*: *Ammonites bidichotomus* d'Orbigny, 1841
> o *Datation* : Valanginien supérieur (-139,8 à -132,9 millions d'années)
> o *Provenance* : Ville-sur-Saulx (Meuse)
> o *Fonds* : Paul Petitclerc
> o *Statut* : Figuré
> o *Numéro d’inventaire* : [SU.PAL.2017.0.53.19](https://colluniv.sorbonne-universite.fr/document/ark:/82426/00215830/)
> o *Méthode* : Photogrammétrie
> o *Crédit* : M. Perretta ([Pôle Collections Scientifiques et Patrimoniales](https://www.sorbonne-universite.fr/vie-des-campus/science-culture-et-societe/lieux-collections-et-fonds-remarquables/collections-et), [Bibliothèque de Sorbonne Université](https://www.sorbonne-universite.fr/bu)).
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