Institute for Biodiversity Science and Sustainability

CAS Fossil Collection Database


Accession Number 70949.00   Country USA
thumbnail of image of CAS-GEO 70949.00 Spisula twinensis HOLOTYPE side 1
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thumbnail of image of CAS-GEO 70949.00 Spisula twinensis HOLOTYPE side 2
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Taxon Spisula twinensis State/Prov./Dist. Washington
InformalName bivalve County Clallam
Type Status HOLOTYPE Formation Blakeley/Twin River
Author / Date Clark, 1925 Age OLIGOCENE