Rudolf J. Prokop

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

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Baficrinus gen. nov. (Crinoidea, Inadunata) from the Bohemian Early Devonian (the Czech Republic)

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Thecal cup of the crinoid Edriocrinus preserved inside the shell of an orthocone cephalopod: Middle Devonian, (Eifelian) from Bohemia

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Simakocrinus gen. nov. (Crinoidea, col.) from the Bohemian Early and Middle Devonian of the Barrandian Area (the Czech Republic)

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New species of crinoids based on their columnals and stem fragments (col.), from the Lower Devonian Zlíchov Limestone (Barrandian area, Czech Republic)

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Isolated ossicles of the family Eospondylidae Spencer et Wright, 1966, in the Lower Devonian of Bohemia (Czech Republic) and correlation of the systematic position of eospondylid brittlestars (Echinodermata: Ophiuroidea: Oegophiurida)

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Plasiacystis mobilis, gen. et sp. n., a strange „carpoid“ (Echinodermata, ?Homoiostelea: Soluta) in the Bohemian Ordovician (Czech Republic)

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The genus Pygmaeocrinus BOUŠKA, 1947 (Crinoidea, Inadunata) in the Devonian of the Barrandian Area (Czech Republic)

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