Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon
Stratigraphic subdivision of the Upper Miocene deposits in the Pannonian Basin has been traditionally based on the endemic mollusc species of Lake Pannon. The cockle species Lymnocardium soproniense Vitális, apparently evolving through a sympatric speciation event in the sublittoral zone of Lake Pan...
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Earth Science Institute, Slovak Academy of Sciences, Slovakia
2016-12-01
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| Series: | Geologica Carpathica |
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| Online Access: | http://www.degruyter.com/view/j/geoca.2016.67.issue-6/geoca-2016-0035/geoca-2016-0035.xml?format=INT |
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| author | Magyar Imre Cziczer István Sztanó Orsolya Dávid Árpád Johnson Michael |
| author_facet | Magyar Imre Cziczer István Sztanó Orsolya Dávid Árpád Johnson Michael |
| author_sort | Magyar Imre |
| collection | DOAJ |
| description | Stratigraphic subdivision of the Upper Miocene deposits in the Pannonian Basin has been traditionally based on the endemic mollusc species of Lake Pannon. The cockle species Lymnocardium soproniense Vitális, apparently evolving through a sympatric speciation event in the sublittoral zone of Lake Pannon about 10.2-10.3 Ma, attained wide geographical distribution in the Pannonian basin and thus may serve as a good stratigraphic marker. Lymnocardium soproniense was one of the few large-sized cockles in Lake Pannon, most closely related to its ancestor, L. schedelianum (Fuchs), and to another descendant of the latter, L. variocostatum Vitális. According to the δ18O stable isotope record of its shells, the large size of L. soproniense was coupled with an extended life time of more than 10 years, probably reflecting a stable lake environment with increased resource availability and decreased predation. The species lived in quiet offshore conditions, below the storm wave base, where clay was deposited from suspension and the influence of currents was negligible. The base of the Lymnocardium soproniense Zone in the sublittoral deposits of Lake Pannon is defined by the first occurrence of the species, whereas the top of the zone is marked with the base of the overlying Congeria praerhomboidea Zone, defined by the FAD of C. praerhomboidea. |
| first_indexed | 2024-12-19T08:38:45Z |
| format | Article |
| id | doaj.art-31eabb9738dd4b72a06fa213c954166a |
| institution | Directory Open Access Journal |
| issn | 1336-8052 |
| language | English |
| last_indexed | 2024-12-19T08:38:45Z |
| publishDate | 2016-12-01 |
| publisher | Earth Science Institute, Slovak Academy of Sciences, Slovakia |
| record_format | Article |
| series | Geologica Carpathica |
| spelling | doaj.art-31eabb9738dd4b72a06fa213c954166a2022-12-21T20:28:59ZengEarth Science Institute, Slovak Academy of Sciences, SlovakiaGeologica Carpathica1336-80522016-12-0167656157110.1515/geoca-2016-0035geoca-2016-0035Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake PannonMagyar Imre0Cziczer István1Sztanó Orsolya2Dávid Árpád3Johnson Michael4MTA-MTM-ELTE Research Group for Palaeontology, Hungarian Natural History Museum, H-1431 Budapest, POB 137 HungaryDepartment of Geology and Palaeontology, University of Szeged, H-6722 Szeged, Egyetem u. 2-6, HungaryDepartment of Physical and Applied Geology, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/c, HungaryDepartment of Mineralogy and Geology, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, HungaryDepartment of Geoscience, University of Wisconsin - Madison, 1215 W Dayton St, Madison, WI 53706, United States of AmericaStratigraphic subdivision of the Upper Miocene deposits in the Pannonian Basin has been traditionally based on the endemic mollusc species of Lake Pannon. The cockle species Lymnocardium soproniense Vitális, apparently evolving through a sympatric speciation event in the sublittoral zone of Lake Pannon about 10.2-10.3 Ma, attained wide geographical distribution in the Pannonian basin and thus may serve as a good stratigraphic marker. Lymnocardium soproniense was one of the few large-sized cockles in Lake Pannon, most closely related to its ancestor, L. schedelianum (Fuchs), and to another descendant of the latter, L. variocostatum Vitális. According to the δ18O stable isotope record of its shells, the large size of L. soproniense was coupled with an extended life time of more than 10 years, probably reflecting a stable lake environment with increased resource availability and decreased predation. The species lived in quiet offshore conditions, below the storm wave base, where clay was deposited from suspension and the influence of currents was negligible. The base of the Lymnocardium soproniense Zone in the sublittoral deposits of Lake Pannon is defined by the first occurrence of the species, whereas the top of the zone is marked with the base of the overlying Congeria praerhomboidea Zone, defined by the FAD of C. praerhomboidea.http://www.degruyter.com/view/j/geoca.2016.67.issue-6/geoca-2016-0035/geoca-2016-0035.xml?format=INTLate MiocenePannonian BasinLake Pannonmolluscsendemismpalaeoecologystable isotopes |
| spellingShingle | Magyar Imre Cziczer István Sztanó Orsolya Dávid Árpád Johnson Michael Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon Geologica Carpathica Late Miocene Pannonian Basin Lake Pannon molluscs endemism palaeoecology stable isotopes |
| title | Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon |
| title_full | Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon |
| title_fullStr | Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon |
| title_full_unstemmed | Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon |
| title_short | Palaeobiology, palaeoecology and stratigraphic significance of the Late Miocene cockle Lymnocardium soproniense from Lake Pannon |
| title_sort | palaeobiology palaeoecology and stratigraphic significance of the late miocene cockle lymnocardium soproniense from lake pannon |
| topic | Late Miocene Pannonian Basin Lake Pannon molluscs endemism palaeoecology stable isotopes |
| url | http://www.degruyter.com/view/j/geoca.2016.67.issue-6/geoca-2016-0035/geoca-2016-0035.xml?format=INT |
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