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Chlamys touila n. sp. (Pectinidae,Bivalvia) du Langhien de Tunisie centrale
Institution:1. Departamento de Ciencias de la Tierra, University of Huelva, Huelva, Spain;2. Departamento de Ciencias de la Tierra y Medio Ambiente, University of Alicante, Alicante, Spain;3. Ex-Dipartimento di Scienze della Terra, della Vita e dell''Ambiente, (DiSTeVA), Università degli Studi di Urbino Carlo Bo, Urbino, Italy;4. Departamento de Geología y Ecología, Universidad de Málaga, Málaga, Spain;5. Dipartimento di Scienze Pure e Applicate (DiSPeA), Università degli Studi di Urbino Carlo Bo, Urbino, Italy;1. Key Laboratory of Vertebrate Evolution and Human Origin of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China;2. CAS Centre for Excellence in Life and Paleoenvironment, Beijing 100044, China;3. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;4. Department of Earth and Planetary Sciences, University of California at Davis, Davis, CA 95616, USA;1. Dept. de Geología, Univ. de Salamanca, Plaza de los Caídos s/n, 37008 Salamanca, Spain;2. Department of Earth Sciences, Utrecht University, Princetonlaan 8a, 3584, CB, Utrecht, the Netherlands;3. Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Armilla, Spain;4. Research Institute for Marine Resources Utilization (Biogeochemistry Program), JAMSTEC, Yokosuka, Japan;5. Paleomagnetic Laboratory Fort Hoofddijk, Utrecht University, Budapestlaan 17, 3584, CD, Utrecht, the Netherlands;6. Leibniz-Laboratory for Radiometric Dating and Isotope Research, Christian-Albrechts-Universität Kiel, Max-Eyth-Str.11-13, 24118 Kiel, Germany
Abstract:A new species of Pectinids, Chlamys touila, is described from the middle Miocene of central Tunisia (Aïn Grab Formation). Into the group of Chlamys opercularis L., it only has affinities with Chl. gentoni Font., from the Miocene of SE France, and derives probably from this one; as the latter species it lacks all secondary ornementation, but is clearly different by the number and the section of the ribs. It confirms the influence of the occidental bioprovince in this area of the Mediterranean Sea.
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