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    Aspects of crinoid palaeontology of the North Esk Inlier, Scotland (Silurian, Llandovery, Telychian)

    Donovan, S.K. and Fearnhead, Fiona E. and Clarkson, E.N.K. and Donovan, M. (2011) Aspects of crinoid palaeontology of the North Esk Inlier, Scotland (Silurian, Llandovery, Telychian). Palaeontology 54 , pp. 241-252. ISSN 0031-0239.

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    Abstract

    The described fauna of well-preserved Llandovery (Telychian) echinoderms from the North Esk Inlier, including six crinoids, one echinoid and seven starfish species, is mainly allochthonous. Most of these taxa are known only from starfish beds, channel fill deposits probably representing submarine mass flows and preserving a biota probably derived from elsewhere, presumably shallower water. Only one crinoid species, Pisocrinus cf. campana Miller, is recognized as a common fossil away from the starfish beds and is a biostratigraphic marker for the base of the Wether Law Linn Formation, forming part of the Skenidioides-Cyrtia Association. Crinoid columnals preserved perpendicular to bedding (that is, in putative life position) in Lamont's bivalve bed, Deerhope Formation, are tentatively interpreted as being in situ by comparison with a similar occurrence in the Silurian of Arisaig, Nova Scotia. Two new species of crinoid are described, the cladid Dendrocrinus? sp. and the columnal morphospecies Pentagonocyclicus (col.) lamonti sp. nov.

    Metadata

    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Depositing User: Administrator
    Date Deposited: 23 Jun 2011 14:00
    Last Modified: 02 Aug 2023 16:55
    URI: https://eprints.bbk.ac.uk/id/eprint/3616

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