Traits taxon details
original description
Barras, C. G. (2006). British Jurassic irregular echinoids. <em>Monographs of the Palaeontographical Society.</em> 159, 1-168. page(s): 58-59; text-figs 32a-b, pl. 5: figs 1-3 [details]
basis of record
Kroh, A. 2010. Index of Living and Fossil Echinoids 1971-2008. Annalen des Naturhistorischen Museums in Wien, Serie A 112, 195-470., available online at http://verlag.nhm-wien.ac.at/pdfs/112A_195470_Kroh.pdf page(s): 307 [details]
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