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CAS Fossil Collection Database

Accession Number 445.12   Country USA
thumbnail of image of CAS-GEO 445.12 Lytoceras (Tetragonites) jacksonense HOLOTYPE side 1
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Taxon Lytoceras (Tetragonites) jacksonense State/Prov./Dist. Oregon
InformalName ammonite County Jackson
Type Status HOLOTYPE Formation Hornbrook
Author / Date Anderson, 1902 Age CRETACEOUS