| Filter: Genus=%Ryugasella%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 61997.22 | Ryugasella | ryugasensis | VOUCHER | Matsumoto, 1959 | USA | California | Butte | Chico | CRETACEOUS | Details |
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