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CAS Fossil Collection Database

Accession Number 174.00   Country USA
thumbnail of image of CAS-GEO 174.00 Siphonalia posoensis HOLOTYPE
Taxon Siphonalia posoensis State/Prov./Dist. California
InformalName gastropod County San Luis Obispo
Type Status HOLOTYPE Formation
Author / Date Anderson & Martin, 1914 Age MIOCENE