MolluscaBase taxon details
Cryptopecten nux sematensis (Oyama, 1954) †
1639115 (urn:lsid:marinespecies.org:taxname:1639115)
accepted
Subspecies
Aequipecten (Cryptopecten) sematensis Oyama, 1954 † · unaccepted (superseded rank and combination)
marine, brackish, fresh, terrestrial
fossil only
(of Aequipecten (Cryptopecten) sematensis Oyama, 1954 †) Taki, I.; Oyama, K. (1954). Matajiro Yokoyama's The Pliocene and later faunas from the Kwanto region in Japan. <em>Paleontological Society of Japan, Special Papers.</em> 2: 1-68, pls. 1-49., available online at http://www.palaeo-soc-japan.jp/download/SP/SP2.pdf
page(s): 36, pl. 35, figs 1, 2 [details] Available for editors
[request]
page(s): 36, pl. 35, figs 1, 2 [details] Available for editors
[request]
Type locality contained in Honshu
type locality contained in Honshu [from synonym] [view taxon] [details]
MolluscaBase eds. (2025). MolluscaBase. Cryptopecten nux sematensis (Oyama, 1954) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1639115 on 2025-09-10
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original description
(of Aequipecten (Cryptopecten) sematensis Oyama, 1954 †) Taki, I.; Oyama, K. (1954). Matajiro Yokoyama's The Pliocene and later faunas from the Kwanto region in Japan. <em>Paleontological Society of Japan, Special Papers.</em> 2: 1-68, pls. 1-49., available online at http://www.palaeo-soc-japan.jp/download/SP/SP2.pdf
page(s): 36, pl. 35, figs 1, 2 [details] Available for editors [request]
basis of record Sato, Y. (1991). Paleontological study of molluscan assemblages of the Miocene Moniwa Formation, Northeast Japan and description of their Pectinidae. <em>Report, Geological Survey of Japan.</em> 272: 1-249, pls. 1-34.
page(s): 75; note: variably listed as full species [details]
page(s): 36, pl. 35, figs 1, 2 [details] Available for editors
[request]basis of record Sato, Y. (1991). Paleontological study of molluscan assemblages of the Miocene Moniwa Formation, Northeast Japan and description of their Pectinidae. <em>Report, Geological Survey of Japan.</em> 272: 1-249, pls. 1-34.
page(s): 75; note: variably listed as full species [details]
Present Inaccurate Introduced: alien Containing type locality
