Institute for Biodiversity Science and Sustainability

CAS Fossil Collection Database


Accession Number 25730.04   Country USA
thumbnail of image of CAS-GEO 25730.04 Eupachydiscus willgreeni HOLOTYPE
Taxon Eupachydiscus willgreeni State/Prov./Dist. California
InformalName ammonite County Colusa
Type Status HOLOTYPE Formation
Author / Date Anderson, 1958 Age CRETACEOUS