| Filter: Genus=%Thyasira%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 69606.00 | Thyasira | bisecta | VOUCHER | Arnold, 1903 | USA | California | Los Angeles | PLEISTOCENE | Details | |
| 4664.00 | Thyasira | bisecta ? | VOUCHER | Anderson, 1929 | Colombia | Bolivar | MIOCENE | Details | ||
| 71698.00 | Thyasira | cf. disjuncta | VOUCHER | Tegland, 1933 | USA | Washington | Kitsap | Blakeley | OLIGOCENE | Details |
| 61850.04 | Thyasira | cretacea | VOUCHER | Anderson, 1958 | USA | California | Yolo | CRETACEOUS | Details | |
| 61850.05 | Thyasira | cretacea | VOUCHER | Anderson, 1958 | USA | California | Yolo | CRETACEOUS | Details |
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