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- volume 8 (2005)
- number 4 - Avalonia-Moesia volume
- BIOSTRATIGRAPHY AND PALAEOGEOGRAPHY OF LOWER DEVONIAN CHITINOZOANS, FROM EAST AND WEST MOESIA, ROMANIA
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BIOSTRATIGRAPHY AND PALAEOGEOGRAPHY OF LOWER DEVONIAN CHITINOZOANS, FROM EAST AND WEST MOESIA, ROMANIA
Abstract
The knowledge on the biostratigraphy of Moesia has been supplemented based on chitinozoan assemblages in two boreholes, one from East Moesia and the second one from West Moesia. Previous contributions on chitinozoans, acritarchs and miospores, using only the optical microscopy corroborated by macrofaunal data have been already published. An Upper Lochkovian succession could be identified and a more accurate position of the Lower - Middle Devonian boundary is proposed in the borehole from East Moesia. The Emsian is documented in the borehole from West Moesia. The geographical position of East Moesia and possibly West Moesia during the Lower Devonian is similar to those from Northern Gondwanan localities as demonstrated by the chitinozoan assemblages recognized in the present work. Systematic notes, including biometric investigations and SEM images are provided for selected taxa of taxonomic significance and palaeogeographical distribution.
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A propos de : Marioara VAIDA
Geological Institute of Romania, 1 Caransebes St., Bucharest 32, 78 344 Romania, E-mail: Mari.Vaida@igr.ro.
A propos de : Jacques VERNIERS
Research Unit Palaeontology, Department of Geology and Pedology, Ghent University, Krijgslaan 281/S8, B-9000 Ghent, Belgium, E-mail: Jacques.Verniers@UGent.be.