Sarmatian (Middle Miocene) ostracod fauna from the Zsámbék Basin, Hungary

Tóth, Emőke (2008) Sarmatian (Middle Miocene) ostracod fauna from the Zsámbék Basin, Hungary. Geologica Pannonica, 36. pp. 101-151. ISSN 0365-0634

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Abstract

Well preserved ostracod fauna derives from three boreholes of the Zsámbék Basin, from a small subbasin of the Central Paratethys. These drillings penetrated almost complete Sarmatian succession. Detailed descriptions and illustrations of the following 25 ostracoda taxa are provided: Cnestocythere aff. truncata (REUSS), Amnicythere tenuis (REUSS), Amnicythere (?) sp., Euxinocythere (E.) diafana (STANCHEVA), E. (E.) naca (MÉHES), E. (E.) praebosqueti (SUZIN), Callistocythere egregia (MÉHES), C. incostata PIETRZENIUK, C. postvallata PIETRZENIUK, Cyamocytheridea dérii (ZALÁNYI), C. leptostigma leptostigma (REUSS), Hemicyprideis dacica dacica (HÉJJAS), Cytheridea hungarica ZALÁNYI, Miocyprideis janoscheki KOLLMANN, M. sarmatica (ZALÁNYI), Hemicytheria omphalodes (REUSS), Aurila mehesi (ZALÁNYI), A. merita (ZALÁNYI), A. notata (REUSS), Senesia vadaszi (ZALÁNYI), Loxoconcha kochi MÉHES, L. porosa MÉHES, L. ex. gr. punctatella (REUSS), Loxocorniculum hastatum (REUSS), Xestoleberis fuscata SCHNEIDER. The studied Sarmatian ostracod fauna is most similar to that from the Vienna Basin. In general low diversity and great abundance of the r-strategist specimens are characteristic of both Sarmatian communities. Furthermore the representatives of Leptocytheridae, Cytherideidae and Hemicytheridae families are dominant in both area.

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