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CAS Fossil Collection Database

Accession Number 66549.01   Country USA
thumbnail of image of CAS-GEO 66549.01 Opalia (Confusiscala) mathewsonii HOLOTYPE
Taxon Opalia (Confusiscala) mathewsonii State/Prov./Dist. California
InformalName gastropod County Siskiyou
Type Status HOLOTYPE Formation
Author / Date Durham, 1937 Age PLIOCENE