| Accession Number | 70184.00 | Country | USA | |
| Taxon | Macrocallista hornii | State/Prov./Dist. | California | |
| InformalName | bivalve | County | Santa Barbara | |
| Type Status | VOUCHER | Formation | Sacate-Gaviota "Coldwater" | |
| Author / Date | Weaver & Kleinpell, 1963 | Age | EOCENE-OLIGOCENE |