| Filter: Genus=%Zemistephanus _%; | Sort by: Accession # Taxon Locality |
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| Accession Number | 61755.20 | Country | USA | |
| Taxon | Zemistephanus ? cf. Z. richardsoni | State/Prov./Dist. | Oregon | |
| InformalName | ammonite | County | Grant | |
| Type Status | VOUCHER | Formation | Snowshoe | |
| Author / Date | Imlay, 1973 | Age | JURASSIC |
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