New and poorly known Aptian Acrioceratidae (Acrioceratidae, Ammonoidea) from Cassis - Roquefort-la-Bedoule (Bouches-du-Rhone, France)
2017
Frau, Camille | Bulot, Luc G. | Delanoy, Gerard | Groupement Interet Paleontologie Science & Exposition | Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement (CEREGE) ; Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) | Departement Science et Terre ; Université de Nice Sophia-Antipolis (UNSA) | North Africa Research Group
Brainaella marcoulinense gen. nov. et sp. nov. is described on the basis of new material from the Upper Aptian of the reference succession of Cassis - Roquefort-la-Bedoule (Bouches-du-Rhone, France). The morphological features of this new taxon suggest affinities with the late Early Aptian Toxoceratoides rochi CASEY, a poorly understood species revised in the present contribution. The study of these two taxa sheds new light on the taxonomic status, content and evolution of the long-debated families Helicancylidae HYATT and Acrioceratidae VERMEULEN.
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