| Filter: Genus=%Zemistephanus _%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 61755.20 | Zemistephanus ? | cf. Z. richardsoni | VOUCHER | Imlay, 1973 | USA | Oregon | Grant | Snowshoe | JURASSIC | Details |
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