2011•Bulletin of GeosciencesOpen access

Two new orthothecids from the Cambrian of the Barrandian area (Hyolitha, Skryje-Týřovice Basin, Czech Republic)

Martín Valent, Oldřich Fatka, Michal Szabad, Václav Micka, L. Marek

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Abstract

Two orthothecid hyoliths .i.Probactrotheca briketa./i. new genus and new species and .i.Circotheca smetanai./i. new species are described from the Middle Cambrian Buchava Formation of the Skryje-Tyrovice 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.

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Two orthothecid hyoliths .i.Probactrotheca briketa./i. new genus and new species and .i.Circotheca smetanai./i. new species are described from the Middle Cambrian Buchava Formation of the Skryje-Tyrovice 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.

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Available abstract

Two orthothecid hyoliths .i.Probactrotheca briketa./i. new genus and new species and .i.Circotheca smetanai./i. new species are described from the Middle Cambrian Buchava Formation of the Skryje-Tyrovice 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.

Key concepts: Czech, Geology, Structural basin, Paleontology, Geomorphology, Philosophy, Linguistics

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Two new orthothecids from the Cambrian of the Barrandian area (Hyolitha, Skryje-Týřovice Basin, Czech Republic) — Research Paper | ScholarLens