| Filter: Genus=%Hyphantoceras%; | Sort by: Accession # Taxon Locality |
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| Accession Number | 445.13 | Country | USA | |
| Taxon | Hyphantoceras irregulare | State/Prov./Dist. | Oregon | |
| InformalName | ammonite | County | Jackson | |
| Type Status | HOLOTYPE | Formation | Hornbrook | |
| Author / Date | Anderson, 1958 | Age | CRETACEOUS |
| Accession Number | 31115.01 | Country | USA |  |
| Taxon | Hyphantoceras laqueum | State/Prov./Dist. | California | |
| InformalName | ammonite | County | Colusa | |
| Type Status | HOLOTYPE | Formation | ||
| Author / Date | Anderson, 1958 | Age | CRETACEOUS |
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