Conodont biostratigraphy of the Muschelkalk (Middle Triassic) in the central part of the Polish Lowlands

Katarzyna Narkiewicz


Conodonts have been found in the Muschelkalk intervals in seven deep wells located in the central part of the Polish Middle Triassic basin. Total number of 80 specimens has been ascribed to 18 form-species. The presence of Paragondolella hanbulogi and Neogondolella balcanica is reported for the first time in Polish sections. Germanica and kockeli Zones of the late early Anisian, Pelsonian and ?earliest Illyrian have been found in the Lower Muschelkalk deposits. The Middle Muschelkalk corresponds to the Illyrian without its latest part, and to ?latest Pelsonian. Presence of the Zones .1, 2 and 4, found in the Upper Muschelkalk, allowed to correlate these deposits with the late Illyrian, Fassanian and earliest Longobardian. Analysis of geographical distribution of the investigated species revealed that only cosmopolitan conodonts occur in the Lower Muschelkalk whereas its upper part contains also forms endemic for the German Province.


Polish Lowlands; Muschelkalk; conodonts; biostratigraphy; chronostratigraphy; faunal provinces

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