| Filter: Genus=%Opalia (Confusiscala)%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 66549.01 | Opalia (Confusiscala) | mathewsonii | HOLOTYPE | Durham, 1937 | USA | California | Siskiyou | PLIOCENE | Details |
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