Traits taxon details
original description
Tanaka, K. & Obata, I. 1982. Selected echinoid fossils from the Miyako Group (Lower Cretaceous), northeast Honshu, Japan. Bulletin of the National Science Museum, Series C (Geology & Paleontology) 8, 117-143. page(s): 132-135; text-figs. 8-9, pl. 2: figs 5, pl. 3: figs 1a-e, 2a-b, 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): 352 [details]
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