| Accession Number | 72534.00 | Country | USA | |
| Taxon | Caspiconcha major | State/Prov./Dist. | California | |
| InformalName | bivalve | County | Colusa | |
| Type Status | VOUCHER | Formation | Grizzley Canyon member, Crack Canyon fm | |
| Author / Date | Jenkins, Kaim, Little, Iba, Tanabe & Campbell, 2013 | Age | CRETACEOUS |