A neoselachian shark fauna from the Late Cretaceous of Senegal |
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| Institution: | 1. Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5–7, 1350 Copenhagen K, Denmark;2. Laboratoire de géologie, Université de Corse, 20250 Corté, France;3. Palaeontological Research and Education Centre, Maha Sarakham University, 44150 Maha Sarakham, Thailand;4. Département de Géologie, Faculté des Sciences et Techniques, Université Cheikh Anta Diop de Dakar, Senegal;1. Environmental and Applied Geology Department, The University of Jordan, 11942 Amman, Jordan;2. Department of Geology, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt;3. Programa de Pós-Graduação em Ambiente e Desenvolvimento da UNIVATES (PPGAD/UNIVATES), Centro Universitário Univates, Rua Avelino Tallini, 171 – CEP 95.900-000, Lajeado, RS, Brazil;4. Senckenberg Forschungsinstitut und Naturmuseum, Senckenberganlage 25, 60325 Frankfurt am Main, Germany;5. Senckenberg Centre for Human Evolution and Palaeoenvironment, Institut für Geowissenschaften, Universität Tübingen, Sigwartstraße 10, 72076 Tübingen, Germany;1. Via Pilone 91/A, I-61030 Lucrezia di Cartoceto, Italy;2. Dipartimento di Geoscienze, Università degli Studi di Padova, Via Gradenigo 6, I-35131 Padova, Italy;3. Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Ferrara, Via G. Saragat 1, I-44100 Ferrara, Italy;4. Dipartimento di Scienze della Terra, Università degli Studi di Torino, Via Valperga Caluso 35, I-10125 Torino, Italy;5. University of Vienna, Department of Palaeontology, Geozentrum, Althanstraβe 14, 1090 Wien, Austria;1. Posgrado en Ciencias Biológicas, Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, México DF, Mexico;2. Conservation Biology Section, Museum of Natural Science, 2148 Riverside Drive, Jackson, MS 39202-1353, USA;3. Department of Earth and Biological Sciences, Loma Linda University, Loma Linda, CA 92350, USA;4. Benemérita Escuela Normal de Coahuila, Saltillo, Coahuila, Mexico;5. Laboratório de Paleontologia, Faculdade de Geologia, Instituto de Geociências, Universidade Federal do Pará, Caixa Postal 1611, CEP 66075-110, Belém, Pará, Brazil;6. Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, México DF, Mexico;1. Centre de Recherches sur la Paléobiodiversité et les Paléoenvironnements, CR2P – UMR 7207 – CNRS, MNHN, UPMC, Muséum National d''Histoire Naturelle, Sorbonne Universités, 57 rue Cuvier, CP38, F-75005, Paris, France;2. UMR 7179 – CNRS/Muséum National d''Histoire Naturelle, Département Adaptations du Vivant, 57 rue Cuvier, CP55, F-75005, Paris, France;1. Department of Biology and Biochemistry, University of Bath, BA2 7AY, Bath, United Kingdom;2. CR2P - Centre de Recherche en Paléontologie de Paris, UMR 7207 CNRS-MNHN-Sorbonne Université, Muséum National d''Histoire Naturelle, CP 38, 57 rue Cuvier, 75005, Paris, France;3. Naturalis Biodiversity Center, Darwinweg 2, 2333CR Leiden, the Netherlands;4. Utrecht University, Faculty of Geosciences, Princetonlaan 8A, 3584CB Utrecht, the Netherlands;5. Muséum d’Histoire naturelle de Marrakech, Dept geology-FSSM, Université Cadi Ayyad, Marrakech, Morocco |
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| Abstract: | A selachian fauna is described for the first time from the Late Cretaceous (Campanian–Maastrichtian) of Senegal. So far, the Campanian Paki Formation has only yielded a single tooth of Rhombodus sp. whereas the Cap de Naze Formation has yielded a more diverse fauna including juvenile Cretalamna cf. Cretalamna biauriculata, Serratolamna serrata, Carcharias cf. Carcharias heathi, ?Carcharias sp., Squalicorax pristodontus, Schizorhiza stromeri, Parapaleobates sp., Rhombodus binkhorsti and Rhombodus andriesi. Teeth of juvenile Cretalamna largely dominate the assemblage. Such an assemblage confirms a Late Maastrichtian age for the unit 3 in the Cap de Naze Formation. The assemblage, although composed of cosmopolitan taxa, is similar to the contemporaneous selachian assemblage from the phosphates of Morocco. |
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