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CAS Fossil Collection Database

Accession Number 28842.01   Country USA
thumbnail of image of CAS-GEO 28842.01 Aulacosphinctes colusaensis HOLOTYPE
Taxon Aulacosphinctes colusaensis State/Prov./Dist. California
InformalName ammonite County Colusa
Type Status HOLOTYPE Formation
Author / Date Anderson, 1945 Age JURASSIC