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Prague, Czech Republic

Valent M.,National Museum | Fatka O.,Charles University | Szabad M.,Obrancu miru 75 | Micka V.,Satrova 662 | Marek L.,Academy of Sciences of the Czech Republic
Bulletin of Geosciences | Year: 2012

Two orthothecid hyoliths Probactrotheca briketa new genus and new species and Circotheca smetanai new species are described from the Middle Cambrian Buchava Formation of the Skryje-Týřovice Basin in the Czech Republic. The new forms are based on about twenty well-preserved external and internal moulds of opercula and conchs. The stratigraphic range and geographic distributions for both taxa are well known. Source

Valent M.,National Museum | Fatka O.,Charles University | Szabad M.,Obrancu miru 75 | Micka V.,Satrova 662
Zootaxa | Year: 2015

Two new endemic genera and species of extinct group of Hyolitha, Skryjelites auritus gen. et sp. nov. and Quasimolites quasimodo gen. et sp. nov. are described and illustrated from the Buchava Formation of the Barrandian area (Czech Republic). Copyright © 2015 Magnolia Press. Source

Fatka O.,Charles University | Micka V.,Satrova 662 | Szabad M.,Obrancu miru 75 | Vokac V.,Zabelska 53 | Vorel T.,Czech Geological Survey
Bulletin of Geosciences | Year: 2011

All earlier published concepts and stratigraphical subdivisions of the Cambrian succession in the Skryje-Týřovice Basin are summarized. Forty-two different proposals for lithostratigraphic subdivision published since 1846 are discussed and plotted in seven figures. Here, modified subdivision for the Skryje-Týřovice Basin includes four lithostratigraphic units, the Mileč Member, the Slapnice Member and the Skryje Member, all representing different lithofacies within the newly established Buchava Formation. The whole sedimentary succession contains a rich record of skeletal fauna and is correlated with the Third unnamed Series of the Cambrian System, corresponding to the traditional middle Cambrian Series. Source

Fatka O.,Charles University | Mikulas R.,Academy of Sciences of the Czech Republic | Szabad M.,Obrancu miru 75 | Micka V.,Satrova 662 | Valent M.,National Museum
Acta Geologica Polonica | Year: 2011

The presence of the ichnospecies Arachnostega gastrochaenae Bertling, 1992 is documented from the Cambrian for the first time. it occurs in several stratigraphical levels of the "middle" Cambrian sediments in the Příbram- Jince and Skryje-Týřovice basins of the Teplá-Barrandian region in the Czech Republic. Simple tunnels as well as the complicated morphologies of Arachnostega were observed on internal moulds of trilobite exoskeletons and hyolith conchs and represent the oldest record of this ichnogenus. The Cambrian occurrences of Arachnostega on skeletal body fossils evoke the connection between the Arachnostega-type feeding strategy and the sudden appearance of numerous skeletal animals. The development of the Arachnostega-type behaviour can be considered a feature of the "Cambrian substrate revolution.". Source

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