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CAS Fossil Collection Database

Accession Number 5620.00   Country USA
thumbnail of image of CAS-GEO 5620.00 Segmentina durhami HOLOTYPE side 1
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thumbnail of image of CAS-GEO 5620.00 Segmentina durhami HOLOTYPE side 2
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Taxon Segmentina durhami State/Prov./Dist. Washington
InformalName gastropod County Jefferson
Type Status HOLOTYPE Formation San Lorenzo
Author / Date Hanna & Hertlein, 1938 Age OLIGOCENE