Institute for Biodiversity Science and Sustainability

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