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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Family Spathognathodontidae (Conodonta) from the Silurian/Devonian boundary (sections Na Požárech and Praha-Radotín; Prague Synform) and its biostratigraphical correlation
 Hušková, Aneta ; Slavík, Ladislav (advisor) ; Kumpan, Tomáš (referee)
This work is focused on conodont biostratigraphy of the Silurian/Devonian boundary interval in the Prague Synform. The Na Požárech and Praha-Radotín sections were selected in order to study conodont diversity and changes in conodont faunas in different carbonate facies - shallower and deeper-water limestones around the Silurian/Devonian boundary and also to test the assumption, whether differences in bathymetry affect the diversity of taxa of the family Spathognathodontidae. In total 22 samples were analysed, particularly 13 samples from the section Praha-Radotín and 9 samples from the section Na Požárech. All samples were processed in laboratory and the obtained conodont material was studied in detail. The conodont material is abundant in both sections (more than thousand elements) and shows a high diversity and disparity in the family Spathognathodontidae. In total 17 taxa were identified and a new species Zieglerodina petrea is described. This new taxon is easily recognizable because of a distinct morphology and could be usefull for the identification of the base of Devonian in the Prague Synform. Its potential use in global correlation will, however, need further and thorough studies. Also conodonts of the family Icriodontidae are surprisingly abundant in both sections. Thin sections (13 from...
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Present State of Biostratigraphy of the Silurian/Devonian boundary in the Prague Synform
 Hušková, Aneta ; Slavík, Ladislav (advisor) ; Budil, Petr (referee)
This work summarizes current results in study of fossil faunas on the Silurian/Devonian boundary from stratigraphically important localities of the Prague Synform. The main aim of the present thesis is to discover new directions of prospective studies that would lead to an improved recognition of the Silurian-Devonians boundary in different facies. The work includes biostratigraphical summary of marine fossil organisms that could be used for a detailed correlation of this stratigrapic interval. The correlation of the Silurian-Devonian boundary is still an actual issue, therefore the present overview of the biostratigraphic data from the key (stratotype) area can be a useful contribution to the global research. Key words: Silurian/Devonian boundary, Barrandian, Prague Synform, biostratigraphy
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See also: similar author names
5 HUŠKOVÁ, Andrea
5 Hušková, Andrea
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