| Filter: Genus=%Opis%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 28311.03 | Bulbificopis | ganza | VOUCHER ? | Anderson, 1958 | USA | California | Merced | CRETACEOUS | Details | |
| 66466.01 | Opis | shastalis | HOLOTYPE | Anderson, 1938 | USA | California | Shasta | CRETACEOUS | Details | |
| 66466.02 | Opis | shastalis | VOUCHER | Anderson, 1938 | USA | California | Shasta | CRETACEOUS | Details | |
| 61915.00 | Opis | virginalis | HOLOTYPE | Waring, 1917 | USA | California | Ventura | Martinez | EOCENE | Details |
| 29120.02 | Opis (Hesperopis) | triangulata | VOUCHER | Squires & Saul, 2009 | USA | California | Merced | Moreno | CRETACEOUS | Details |
| 29118.03 | Opisoma | pacifica | HOLOTYPE | Anderson, 1958 | USA | California | Merced | Moreno | CRETACEOUS | Details |
| 61856.08 | Prionotropis | bakeri | VOUCHER | Anderson, 1958 | USA | Oregon | Jackson | Frazier | CRETACEOUS | Details |
| 61856.09 | Prionotropis | bakeri | VOUCHER | Anderson, 1958 | USA | Oregon | Jackson | Frazier | CRETACEOUS | Details |
| 61856.07 | Prionotropis | branneri | LECTOTYPE | Anderson, 1902 | USA | Oregon | Jackson | Frazier | CRETACEOUS | Details |
| 61856.01 | Prionotropis | casperi | PARATYPE | Anderson, 1958 | USA | Oregon | Jackson | Frazier | CRETACEOUS | Details |
| 61856.02 | Prionotropis | casperi | HOLOTYPE | Anderson, 1958 | USA | Oregon | Jackson | Frazier | CRETACEOUS | Details |
| 33707.01 | Prionotropis | hiltensis | HOLOTYPE | Anderson, 1958 | USA | California | Siskiyou | CRETACEOUS | Details | |
| 66058.01 | Trichotropis | vokesae | HOLOTYPE | Pitt & Pitt, 1989 | Ecuador | Esmeraldas | Onzole | MIOCENE | Details | |
| 66058.02 | Trichotropis | vokesae | PARATYPE | Pitt & Pitt, 1989 | Ecuador | Esmeraldas | Onzole | MIOCENE | Details | |
| 70240.00 | Trichotropis ? | durhami | PARATYPE | Weaver & Kleinpell, 1963 | USA | California | Santa Barbara | Gaviota | EOCENE | Details |
| 70241.00 | Trichotropis ? | durhami | PARATYPE | Weaver & Kleinpell, 1963 | USA | California | Santa Barbara | middle Gaviota | EOCENE | Details |
| 70249.00 | Trichotropis ? | durhami | HOLOTYPE | Weaver & Kleinpell, 1963 | USA | California | Santa Barbara | Gaviota | EOCENE-OLIGOCENE | Details |
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