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CAS Fossil Collection Database

Accession Number 61986.01   Country USA
thumbnail of image of CAS-GEO 61986.01 Pyrgulopsis williamsi HOLOTYPE
Taxon Pyrgulopsis williamsi State/Prov./Dist. California
InformalName gastropod County Kern
Type Status HOLOTYPE Formation San Joaquin
Author / Date Hannibal, 1912 Age PLIOCENE