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Smith, A.B. & Wight, C.W. 2012. British Cretaceous echinoids. Part 9, Atelostomata, 2. Spatangoida (2), with Title-page, Contents and Index Part 9. Monograph of the Palaeontographical Society London: pp. 635-754, pls 210-253. (Issue 639, part of Volume 166)

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Title: British Cretaceous echinoids. Part 9, Atelostomata, 2. Spatangoida (2), with Title-page, Contents and Index
Author(s): Smith, A.B. & Wight, C.W.
Issue: 639
Volume: 166
Part: 9
Year: 2012
Pagination: pp. 635-754, pls 210-253.
Bound Volume? No

Abstract:

This part completes the systematic revision of the British Cretaceous echinoids with a review of the species belonging to the spatangoid family Micrasteridae. Eighteen species belonging to two genera, Roweaster nov. and Micraster are described and illustrated and a key to the species is provided. Six of these species have not previously been recorded from the British Isles and one species, Micraster (Gibbaster) norfolkensis is new. New plating diagrams are provided for these species. In addition an additional cassiduloid, Archiacia sp., and new holasteroid, Pseudananchys speetonensis sp. nov. are described. Tables summarizing the stratigraphical and geographical distribution of all 222 British Cretaceous echinoids are provided.

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