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Graptolites and stratigraphy of the Wenlock and Ludlow Series in the East European Platform Adam URBANEK & Lech TELLER In: Urbanek, A. & Teller, L. (eds.), Silurian Graptolite Faunas in the East European Platform: Stratigraphy and Evolution. Palaeontologia Polonica 1997, 56, 71-85

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Abstract:  

The sequence of graptolite faunas in the Wenlock and Ludlow Series in the East European
Platform is presented. The morphology of the graptolites discussed is based on the material
isolated from the cores and from Baltic erratic boulders. Main trends of morphological evolution
have been recognized and characterized. Along with the updating of the earlier record on
biostratigraphy, new data including those on retiolitids are provided. A modified zonal
graptolite subdivision, comprising the Late Ludfordian is presented.


Adam Urbanek, Instytut Paleobiologii PAN, ul. Twarda 51/55, 00 818 Warszawa, Poland. urbanek@twarda.pan.pl
Lech Teller, Instytut Paleobiologii PAN, ul. Twarda 51/55, 00 818 Warszawa, Poland. l.teller@twarda.pan.pl