Acritarch Clusters from the Cambrian (Miaolingian) of the Příbram-Jince Basin, Czech Republic

Vojtěch Kovář; Oldřich Fatka; Jakub Vodička

doi:10.1080/01916122.2022.2115574

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Vojtěch Kovářhttps://orcid.org/0000-0002-0679-7132,^1,*,** Oldřich Fatkahttps://orcid.org/0000-0003-1898-3319,^1,*** Jakub Vodičkahttps://orcid.org/0000-0003-0136-1804^1,****

¹Institute of Geology and Palaeontology, Faculty of Science, Charles University, Prague, Czech Republic

^*CONTACT Vojtěch Kovář kovarvo@natur.cuni.cz Institute of Geology and Palaeontology, Faculty of Science, Charles University, Albertov 6, Prague 128 00, Czech Republic
^**Vojtěch Kovář is a PhD student at the Institute of Geology and Palaeontology, Faculty of Science, Charles University, Czech Republic. His research is focused on the Lower Palaeozoic palynology, mainly acritarchs and small carbonaceous fossils.
^***Oldřich Fatka is a professor of palaeontology at the Institute of Geology and Palaeontology, Faculty of Science, Charles University, Czech Republic. His research is focused on the biostratigraphy, palaeobiogeography and palaeoecology of Palaeozoic fossils.
^****Jakub Vodička is a PhD student at the Institute of Geology and Palaeontology, Faculty of Science, Charles University, Czech Republic. His research is focused on chitinozoans, mainly of Ordovician and Silurian age.

Abstract

Monogeneric clusters of five acritarch genera (Adara, Cymatiosphaera, Eliasum, Synsphaeridium and Timofeevia) were discovered in palynological residues obtained from fine-grained siliciclastic samples from the middle Cambrian (Miaolingian) Jince Formation of the Příbram–Jince Basin (Czech Republic). The clusters consist of two to more than 100 individual specimens and lack a common pattern of organisation. Acritarchs within clusters fall within a similar size range, regardless of generic affinity. Proposed mechanisms for the formation of these acritarch clusters are discussed: for the Jince Formation clusters, aggregation within algal blooms or primary colonial behaviour are the most plausible explanations. In addition, a summary of reports of acritarch clusters from lower Palaeozoic strata is included: clusters of a variety of acritarch genera have been documented from rocks of early Cambrian to Late Devonian age.

Citation Download Citation

Vojtěch Kovář, Oldřich Fatka, and Jakub Vodička "Acritarch Clusters from the Cambrian (Miaolingian) of the Příbram-Jince Basin, Czech Republic," Palynology 47(1), 1-18, (17 May 2023). https://doi.org/10.1080/01916122.2022.2115574

Published: 17 May 2023