The first record of the genus Eurasenia (Ammonitina) from the Upper Jurassic of Asturias (Northern Spain) |
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| Affiliation: | 1. MTA-MTM-ELTE Research Group for Paleontology, Pázmány Péter sétány 1/c, Budapest 1117, Hungary;2. Hungarian Natural History Museum, Ludovika tér 2, Budapest 1083, Hungary;3. Laboratory of Paleontology, Department of Geology, Faculty of Geology and Geophysics, University of Bucharest; 1 N. Bălcescu Blvd., 010041 Bucharest, Romania |
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| Abstract: | A large ammonite has been found in the predominantly non-marine Lastres Fm. at Villaviciosa, Asturias, Northern Spain. It is identified as Eurasenia sp. aff. manicata (Schneid), indicating an Upper Jurassic age, late Lower Kimmeridgian sensu gallico. This is the earliest record in the Upper Jurassic of the northern margin of the Iberian sub-plate. The sedimentary sequence indicates a regime of small and fluvially-dominated near-shore delta systems subjected to episodic marine ingressions. |
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