Traits taxon details
original description
Tanaka, K. 1984. Some Cretaceous Echinoids from Japan. Bulletin of the Geological Survey of Japan 35, 189-202. page(s): 192-193; text-fig. 3, pl. 1: figs 4a-c, pl. 2: figs 1a-c [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): 341 [details]
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