Title: Problematic sclerites Eurytholia from the Lower and Middle Devonian of the Czech Republic
Authors: Mergl, Michal
Citation: MERGL, M. Problematic sclerites Eurytholia from the Lower and Middle Devonian of the Czech Republic. Folia Musei rerum naturalium Bohemiae occidentalis. Geologica et Paleobiologica, 2019, roč. 53, č. 1-2, s. 1-11. ISSN 1805-2371.
Issue Date: 2019
Publisher: Sciendo
Document type: článek
URI: http://hdl.handle.net/11025/41911
ISSN: 1805-2371
Keywords in different language: Eurytholia;Pseudooneotodus;problematica;vertebrata;Eifelian;Emsian;Devonian;Barrandian area;Czech Republic
Abstract in different language: Problematic phosphatic sclerites Eurytholia are reported for the first time from the Middle Devonian. Unequivocal sclerites were observed in limestones of Emsian to late Eifelian age in six localities of the Barrandian area of the Central Bohemia of the Czech Republic. Formerly observed size and shape variations of Eurytholia sclerites prevent formal description of a new species on few specimens of Emsian and Eifelian age. Therefore the new specimens are identified as Eurytholia aff. bohemica. Their presence indicates longer time range of the Eurytholia animal, covering not only the Ordovician, the Silurian and the earliest Devonian as known formerly, but also late Lower Devonian and the Middle Devonian. Similar features in morphology and histology of Eurytholia indicate relationship to a conodont Pseudooneotodus and a support suggestion about the vertebrate origin of Eurytholia sclerites.
Rights: © Sciendo
Appears in Collections:Články / Articles (CBG)

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