An omomyid primate from the Pontide microcontinent of north-central Anatolia: Implications for sweepstakes dispersal of terrestrial mammals during the Eocene |
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| Institution: | 1. Biodiversity Institute, University of Kansas, 1345 Jayhawk Boulevard, Lawrence, KS 66045, USA;2. Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA;3. Centre de Recherche en Paléontologie - Paris, UMR 7207 (CNRS, MNHN, UPMC), Sorbonne Université, Muséum National d’Histoire Naturelle, 8 rue Buffon, 75005 Paris, France;4. Department of Geological Engineering, Eski?ehir Osmangazi University, Eski?ehir, Turkey;5. Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, USA;1. Department of Paleozoology, Faculty of Biological Sciences, University of Wroc?aw, Sienkiewicza 21, 50-335 Wroc?aw, Poland;2. GeoZentrum Nordbayern, Lehrstuhl Paläoumwelt, Loewenichstrasse 28, 91054 Erlangen, Germany;1. Palaeontological Institute and Museum, University of Zurich, Karl Schmid-Strasse 4, 8006 Zurich, Switzerland;2. Dipartimento di Scienze della Terra, Università di Torino, 35, via Valperga Caluso, 10125 Torino, Italy;3. Institut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA -ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Vallès, Barcelona, Spain;1. Scientific Survey of Heritage, Royal Belgian Institute of Natural Sciences, 29 rue Vautier, B-1000 Brussels, Belgium;2. Geodynamics and Mineral Resources, Royal Museum for Central Africa, Leuvensesteenweg 13, 3080 Tervuren, Belgium;3. Operational Directorate Earth and History of Life, Royal Belgian Institute of Natural Sciences, 29 rue Vautier, B-1000 Brussels, Belgium;1. Departamento de Ciências da Terra, FCT-UNL Faculdade de Ciências e Tecnologia, GeoBioTec, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal;2. Dr. Abu Bakr Fossil Display & Research Centre, Department of Zoology, University of the Punjab, Quaid-e-Azam Campus, Lahore, Punjab 54590, Pakistan;3. Department of Anatomy, New York Institute of Technology College of Osteopathic Medicine, 8000 Northern Boulevard, Old Westbury, NY 11568, USA;4. Department of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA;1. Department of Biology, State University of New York College at Geneseo, Geneseo, NY 14454, USA;2. Earth and Environmental Sciences, James Cook University, Townsville, 4811 QLD, Australia;3. Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA;4. Center for Ecology and Evolutionary Studies, Ohio University, Athens, OH 45701, USA;5. Department of Geology, P.O. Box 35052, University of Dar es Salaam, Dar es Salaam, Tanzania;1. Institut des Sciences de l''Évolution (UM, CNRS, IRD, EPHE), Université Montpellier, Place E. Bataillon, 34095, Montpellier Cedex 5, France;2. Royal Museum for Central Africa (RMCA), Department of Geology, Leuvensesteenweg 13, 3080 Tervuren, Belgium;3. Royal Belgian Institute of Natural Sciences (RBINS), Operational Directorate Earth and History of Life, Rue Vautier 29, 1000 Brussels, Belgium |
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| Abstract: | A new genus and species of omomyid primate is described from the middle Eocene (Lutetian) Lülük Member of the Uzunçar?idere Formation, Orhaniye Basin, north-central Anatolia, Turkey. This is the first Eocene primate to be reported from the vast area between Switzerland and Pakistan. The new taxon is currently represented by a single dentary fragment, limiting the scope of morphological comparisons that can be made with related taxa. Nevertheless, its dentition differs fundamentally from that of contemporary European microchoerids. The new taxon most closely resembles North American middle Eocene omomyines such as Mytonius hopsoni, and it is therefore interpreted as a member of the Asian/North American omomyine radiation. Its occurrence on the Pontide microcontinent must have resulted from sweepstakes dispersal across the intervening Tethyan barrier that separated the Pontides from adjacent parts of Eurasia during the Lutetian. Sweepstakes dispersal by various terrestrial mammal clades, especially rodents and primates, was facilitated by Eocene greenhouse climatic conditions, which promoted extreme precipitation events and frequent flooding of major river drainages. |
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| Keywords: | Eocene Omomyidae Sweepstakes dispersal Pontides Orhaniye Basin Turkey |
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