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CAS Fossil Collection Database

Accession Number 7624.01   Country USA
thumbnail of image of CAS-GEO 7624.01 Rissoa lettana SYNTYPE ventral
ventral
Taxon Rissoa lettana State/Prov./Dist. Washington
InformalName gastropod County Lewis
Type Status SYNTYPE Formation
Author / Date Van Winkle, 1918 Age OLIGOCENE