New data on the Devonian and Carboniferous Graptolithina (Dendroidea) from Belgium with notes on possible occurrences of Rhabdopleuridae in the Belgian Carboniferous |
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Institution: | 1. O.D. Earth and History of Life, Royal Belgian Institute of Natural Sciences, rue Vautier 29, 1000 Brussels, Belgium;2. Institut für Geologische Wissenschaften, Freie Universität Berlin, Malteser Str. 74-100, 12249 Berlin, Germany;3. O.D. Earth and History of Life and Scientific Service of Heritage, Royal Belgian Institute of Natural Sciences, rue Vautier 29, 1000 Brussels, Belgium;1. Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier, 75005 Paris, France;2. University Rennes, CNRS, Géosciences Rennes, UMR 6118, 35000 Rennes, France;3. CNRS, UMR 5554 Institut des Sciences de l’Évolution de Montpellier, Place Eugène Bataillon, 34095 Montpellier, France;1. Geology Department, Faculty of Science, Fayoum University, 63514 Fayoum, Egypt;2. Geology Department, Faculty of Science, Damietta University, New Damietta, Egypt;1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Zoological Institute, Russian Academy of Sciences, 1 Universitetskaya Emb., Saint Petersburg 199034, Russia;4. Beijing Xiachong Amber Museum, 9 Shuanghe Middle Road, Beijing 100023, China;5. Institute of Insect Resources and Biodiversity, School of Life Sciences, Chemistry & Chemical Engineering, Jiangsu Second Normal University, Nanjing 210013, China;1. Anthropological Survey of India, Kolkata; Palaeo Research Society, IPH Colony, Ghumarwin, 174021 Himachal Pradesh, India;2. Department of Zoology University of Sialkot, Sialkot, Pakistan;3. Dr. Abu Bakr Fossil Display & Research Centre, Institute of Zoology, University of the Punjab, Lahore, Punjab, Pakistan;4. Department of Zoology, University of Okara, Okara, Punjab, Pakistan;5. Pakistan Museum of Natural History, Garden Avenue, Shakarparian, Islamabad, Pakistan;1. Réserve Naturelle Nationale Géologique de Haute-Provence, Conseil Départemental des Alpes de Haute-Provence, 13 rue du Docteur Romieu, CS 70216, Digne-Les-Bains Cedex 9 F-04995, France;2. Univ Rennes, CNRS, Géosciences Rennes, UMR 6118, Rennes 35000, France;3. Laboratoire du Groupe de recherche en Paléobiologie et biostratigraphie des Ammonites (GPA), 65 Grand rue, La Mure-Argens F-04170, France |
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Abstract: | An old find of a graptolite from the Eifelian Jemelle Formation, combined with the recent discovery of an exceptionally well-preserved specimen from the Upper Frasnian (Matagne Formation), allow documentation of the geologically oldest and youngest dendroid fossils from the Devonian of Belgium. Both are ascribed to the long-ranging genus Callograptus (Acanthograptidae). These records enlarge the sparse knowledge of graptolite diversity and occurrences along the southern margin of Laurussia during the mid-Paleozoic. In Belgium, Devonian dendroids are exclusively known from the Dinant Synclinorium. The Devonian dendroid faunas previously reported from the Eifelian, Givetian and Frasnian of the Ardenne–Rhenish massifs (Belgium and Germany) are of low diversity (one to five species per locality). The specimens, generally inedaquatelly preserved, were ascribed to the genera Callograptus, Dictyonema, Palaeodictyota?, and Ruedemannograptus? In these massifs, Carboniferous dendroids are only known from the Viséan (Moliniacian) Denée Konservat-Lagerstätte. Other but undocumented reports of dendroids (and rhabdopleurids) are from the historical type area of the Tournaisian Stage (Tournai area, Brabant Parautochthon). Rhabdopleuridae from the Viséan–Serpukhovian of the Campine Basin (Turnhout borehole) remain incompletely known in the absence of the previously described material. |
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Keywords: | Graptolites Dendroidea Acanthograptidae Rhabdopleuridae Belgium Germany Graptolites Dendroidea Acanthograptidae Rhabdopleuridae Belgique Allemagne |
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