| Filter: Genus=%Ryugasella%; | Sort by: Accession # Taxon Locality |
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| Accession Number | 61997.22 | Country | USA | |
| Taxon | Ryugasella ryugasensis | State/Prov./Dist. | California | |
| InformalName | ammonite | County | Butte | |
| Type Status | VOUCHER | Formation | Chico | |
| Author / Date | Matsumoto, 1959 | Age | CRETACEOUS |
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