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CAS Fossil Collection Database

Accession Number 1291.04   Country USA
thumbnail of image of CAS-GEO 1291.04 Trigonia colusaensis HOLOTYPE
Taxon Trigonia colusaensis State/Prov./Dist. California
InformalName bivalve County Colusa
Type Status HOLOTYPE Formation Venado
Author / Date Anderson, 1958 Age CRETACEOUS