MolluscaBase taxon details
Yokoyamaina hayamii Keen & R. Casey, 1969 †
1515615 (urn:lsid:marinespecies.org:taxname:1515615)
accepted
Species
Cyrena elliptica Yokoyama, 1904 † · unaccepted (Junior homonym of Cyrena...)
Junior homonym of Cyrena elliptica Dunker, 1843; Yokoyamaina hayamii is a replacement name
Integricardium hayamii (Keen & R. Casey, 1969) † · unaccepted
Polymesoda (Isodomella) elliptica (Yokoyama, 1904) † · unaccepted > junior homonym (Junior homonym of Cyrena...)
Junior homonym of Cyrena elliptica Dunker, 1843; Yokoyamaina hayamii is a replacement name
Yokoyamaina elliptica (Yokoyama, 1904) † · unaccepted (Junior homonym of Cyrena...)
Junior homonym of Cyrena elliptica Dunker, 1843; Yokoyamaina hayamii is a replacement name
marine, brackish, fresh, terrestrial
fossil only
Cox, L. R. et al. (1969). Part N: Mollusca 6, Bivalvia. In: Moore, R.C. (Ed.) Treatise on Invertebrate Paleontology. Geological Society of America and University of Kansas Press, Lawrence, Kansas, 2 vol., 951 pp.
page(s): N668-N669 [details]
page(s): N668-N669 [details]
Nomenclature Replacement name for the junior homonym Cyrena elliptica Yokoyama, 1904, non Dunker, 1843.
Nomenclature Replacement name for the junior homonym Cyrena elliptica Yokoyama, 1904, non Dunker, 1843. [details]
MolluscaBase eds. (2025). MolluscaBase. Yokoyamaina hayamii Keen & R. Casey, 1969 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1515615 on 2025-09-11
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original description
Cox, L. R. et al. (1969). Part N: Mollusca 6, Bivalvia. In: Moore, R.C. (Ed.) Treatise on Invertebrate Paleontology. Geological Society of America and University of Kansas Press, Lawrence, Kansas, 2 vol., 951 pp.
page(s): N668-N669 [details]
original description (of Cyrena elliptica Yokoyama, 1904 †) 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): N668-N669 [details]
original description (of Cyrena elliptica Yokoyama, 1904 †) 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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Nomenclature Replacement name for the junior homonym Cyrena elliptica Yokoyama, 1904, non Dunker, 1843. [details]
