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Simms, M.J. 1989. British Lower Jurassic crinoids Monograph of the Palaeontographical Society London: pp. 1-103, pls 1-15. (Issue 581, part of Volume 142)

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Title: British Lower Jurassic crinoids
Author(s): Simms, M.J.
Issue: 581
Volume: 142
Year: 1989
Pagination: pp. 1-103, pls 1-15.
Bound Volume? No


The crinoids of the British Lias are described, and intact material of most species is known. The fauna is dominated by the Isocrinida, with 20 species (3 new) in 7 genera (2 new); some isolated brachial plates attributed to the Paracomatulidae are described under open nomenclature. The Millericrinida are of restricted occurrence and diversity, with only 5 species (2 new) in 4 genera. A new late Triassic Seirocrinus (Isocrinida) species from the USSR is described, and other species not found in the British Lias are briefly discussed.

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