Traits taxon details
original description
Geys, J. F. 1983. Rachiosoma gigasei nov. spec. an addition to the echinoderm fauna of the Maastrichtian (Upper Cretaceous) of Belgium. Bulletin de la Société Belge de Géologie 92, 255-259. page(s): 255-256; pl. 1: figs 6 [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): 258 [details]
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