English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

This report presents the first find of almost complete calyxes of the crinoid Gemmacrinus perplexus PROKOP et PETR, 1989 from the Lower Devonian biosparite Koněprusy Limestone (Pragian) deposited on a reef flank in relatively shallow, well aerated rapid currents. Three calyxes were transported, together with other turbid matter, in the inner part of a gastropod conch (Epiptychia? PERNER, 1911). ■ Crinoidea, Gemmacrinus, Lower Devonian, Pragian, Koněprusy Limestone, Barrandian area, paleoecology. Received October 17, 2014 Issued October, 2015 Text-fig. 1. Location of the locality “Na Plešivci” quarry (asterisk). Gemmacrinus PROKOP et PETR, 1989 Type species: Gemmacrinus perplexus PROKOP et PETR, 1989. Lower Devonian, Bohemia, the Czech Republic. Gemmacrinus perplexus PROKOP et PETR, 1989

sborník národního muzea v praze. řada b, přírodní vědy

Unique discovery of the crinoid Gemmacrinus perplexus PROKOP et PETR, 1989 in the Lower Devonian, Koněprusy Limestone (Barrandian area, Czech Republic)