Abstract
AbstractCoronates form a small but distinctive group of lower Palaeozoic echinoderms, most closely related to eublastoids. The coronate fauna of Czechoslovakia includes Mespilocystites bohemicus Barrande 1887 from the Lower and Middle Caradoc, characterized by a conical theca, coronal processes which diverge markedly upwards, and distinctly angled radial furrows; Stephanoblaslus mints (Barrande 1887), from the Wenlock, typified by an elongate bud‐shaped theca with three radiating keels at the base and a very narrow stem; and ‘Stephanocrinus’ gemmiformis (Hall 1852) from the Ludlow, with a cup‐shaped theca and low coronal processes. ‘S.’ gemmiformis has not previously been reported from outside North America or above the Wenlock.
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