MolluscaBase name details
Cyrena elliptica Yokoyama, 1904 †
1515610 (urn:lsid:marinespecies.org:taxname:1515610)
unaccepted (Junior homonym of Cyrena elliptica Dunker, 1843; Yokoyamaina hayamii is a replacement name)
Species
marine, brackish, fresh, terrestrial
fossil only
Yokoyama, M. (1904). On some Jurassic fossils from Rikuzen. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 18, 1-13.
page(s): 11, pl. 1, fig. 4 [details]
page(s): 11, pl. 1, fig. 4 [details]
Holotype UMUTZ MM7173
, Type locality contained in Honshu , Note Hosoura, Province of Rikuzen (Niranohama,...
Holotype UMUTZ MM7173 [details]
type locality contained in Honshu [details]
Type locality Hosoura, Province of Rikuzen (Niranohama, Utatsu-cho, Motoyoshi-gun, Miyagi Prefecture), Japan [details]
MolluscaBase eds. (2021). MolluscaBase. Cyrena elliptica Yokoyama, 1904 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1515610 on 2025-06-23
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original description
Yokoyama, M. (1904). On some Jurassic fossils from Rikuzen. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 18, 1-13.
page(s): 11, pl. 1, fig. 4 [details]
page(s): 11, pl. 1, fig. 4 [details]
Present Inaccurate Introduced: alien Containing type locality
Holotype UMUTZ MM7173 [details]
From editor or global species database
Type locality Hosoura, Province of Rikuzen (Niranohama, Utatsu-cho, Motoyoshi-gun, Miyagi Prefecture), Japan [details]
