A New Spoon-Like Crinoid (Hemicrinus, Cyrtocrinida) from the Danian (Palaeogene) of Poland and Overview of Cretaceous Hemicrinids

Mariusz A. Salamon; Przemysław Gorzelak

doi:10.2517/1342-8144-15.1.023

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1 April 2011 A New Spoon-Like Crinoid (Hemicrinus, Cyrtocrinida) from the Danian (Palaeogene) of Poland and Overview of Cretaceous Hemicrinids

Mariusz A. Salamon, Przemysław Gorzelak

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Paleontological Research, 15(1):23-30 (2011). https://doi.org/10.2517/1342-8144-15.1.023

Abstract

A new crinoid species of the family Hemicrinidae Rasmussen sensu Rasmussen (or Sclerocrinidae Jaekel sensu Hess), Hemicrinus klikushini sp. nov., is described from the Danian (early Palaeogene) of the Middle Vistula River valley in eastern Poland. It is characterized by a low cup of five narrow radials, two of which are larger and elongated. This cup is attached to an elongate proximal columnal. To date, the present find constitutes the youngest record of this genus and documents the presence of cyrtocrinid crinoids in a shallow-water environment. The systematic research of Cretaceous Hemicrinus species is reviewed.

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Mariusz A. Salamon and Przemysław Gorzelak "A New Spoon-Like Crinoid (Hemicrinus, Cyrtocrinida) from the Danian (Palaeogene) of Poland and Overview of Cretaceous Hemicrinids," Paleontological Research 15(1), 23-30, (1 April 2011). https://doi.org/10.2517/1342-8144-15.1.023

Received: 14 October 2010; Accepted: 1 February 2011; Published: 1 April 2011

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