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CAS Fossil Collection Database

Accession Number 61856.06   Country USA
thumbnail of image of CAS-GEO 61856.06 Heteroceras ceratopse HOLOTYPE
Taxon Heteroceras ceratopse State/Prov./Dist. Oregon
InformalName ammonite County Jackson
Type Status HOLOTYPE Formation Frazier
Author / Date Anderson, 1902 Age CRETACEOUS