Echinoidea taxon details
original description
Tanaka, K. 1984. Some Cretaceous Echinoids from Japan. Bulletin of the Geological Survey of Japan 35, 189-202. page(s): 193-195; text-figs. 4a-c, 5a-d, pl. 2: figs 2a-d, 3a-b [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): 355 [details]
From editor or global species database
Fossil range Berriasian [details]
Stratigraphy Koyamada Formation, Soma Group [details]
Type locality Yamashita, Kashima-machi, Soma-gun, Fukushima Prefecture, Japan [details]
Type material HT: GSJ F6185A, B; PT: GSJ F6134 [details]
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