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CAS Fossil Collection Database

Accession Number 61972.02   Country USA
thumbnail of image of CAS-GEO 61972.02 Viviparus washingtonianus HOLOTYPE
Taxon Viviparus washingtonianus State/Prov./Dist. Washington
InformalName gastropod County Lewis
Type Status HOLOTYPE Formation Cowlitz
Author / Date Arnold & Hannibal, in Hannibal, 1912 Age EOCENE