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CAS Fossil Collection Database

Accession Number 61733.14   Country USA
thumbnail of image of CAS-GEO 61733.14 Fontannesia costula HOLOTYPE
Taxon Fontannesia costula State/Prov./Dist. Oregon
InformalName ammonite County Grant
Type Status HOLOTYPE Formation Snowshoe
Author / Date Imlay, 1973 Age JURASSIC