Devonian (Emsian to Frasnian) crinoids of the Dra Valley, western Anti-Atlas Mountains, Morocco-Reference-Cited by-同舟云学术

Devonian (Emsian to Frasnian) crinoids of the Dra Valley, western Anti-Atlas Mountains, Morocco

Published:2009 Issue:1 Volume:314 Page:131-148
ISSN:0305-8719
Container-title:Geological Society, London, Special Publications
language:en
Short-container-title:Geological Society, London, Special Publications

Author:

Webster G. D.¹,Becker R. T.²

Affiliation:

1. Department of Geology, Washington State University, Pullman, WA, USA 99164-2812

2. Geologisch-Paläontologisches Institut, Westfälische Wilhelms-Universität, Corrensstr. 24, D-48149 Münster, Germany

Abstract

AbstractEmsian to Frasnian crinoids are described from pelagic facies of the eastern part of the Dra Valley (Tata area), western Anti-Atlas Mountains, southern Morocco. The crinoids show only minor relationship with previously described crinoids from the Tafilalt and Ma'der areas of the eastern Anti-Atlas. The differences are judged to reflect the different environments of these areas. The Dra Valley hexacrinids show greater affinity with European faunas, whereas the amabilicrinids show greater affinity with North American taxa. New taxa described are Hexacrinites chenae sp. nov., Dracrinus crenulatus gen. and sp. nov., Coquinacrinus revimentus gen. and sp. nov, and Embolocrinus quadruus gen. and sp. nov.

Publisher

Geological Society of London

Subject

Geology,Ocean Engineering,Water Science and Technology

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