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Echinoidea taxon detailsHemiaster (Leymeriaster) polygonalis Tanaka, 1984a †
1034395 (urn:lsid:marinespecies.org:taxname:1034395)
accepted
Species
marine,
fossil only
Tanaka, K. 1984. Hemiasterid echinoids from the Upper Cretaceous of Japan. Transactions and Proceedings of the Palaeontological Society of Japan, New Series 135, 427-444.
page(s): 435-437; text-figs. 7-8, pl. 81: figs 1-2 [details]
Note Shichiminami, Seidan-cho, Mihara-gun, Hyogo...
Fossil range Campanian
Fossil range Campanian [details] Stratigraphy Shichi Shale Mb., Anaga Formation, Lower Subgroup of the Izumi Group
Stratigraphy Shichi Shale Mb., Anaga Formation, Lower Subgroup of the Izumi Group [details]
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Hemiaster (Leymeriaster) polygonalis Tanaka, 1984a †. Accessed at: http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=1034395 on 2024-04-26
Date action by
original description
Tanaka, K. 1984. Hemiasterid echinoids from the Upper Cretaceous of Japan. Transactions and Proceedings of the Palaeontological Society of Japan, New Series 135, 427-444.
page(s): 435-437; text-figs. 7-8, pl. 81: figs 1-2 [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): 360 [details] From editor or global species database
Fossil range Campanian [details]Stratigraphy Shichi Shale Mb., Anaga Formation, Lower Subgroup of the Izumi Group [details] Type locality Shichiminami, Seidan-cho, Mihara-gun, Hyogo Prefecture, Japan [details] Type material HT: GSJ F6063A, B; PT: GSJ F6072 [details] |