| Filter: Genus=%Trigonocallista%; | Sort by: Accession # Taxon Locality |
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| AccessionNo | Genus | Species | TypeStatus | AuthorDate | Country | State | County | Formation | Age | |
| 954.01 | Trigonocallista | major | VOUCHER | Anderson, 1958 | Mexico | Baja California Norte | CRETACEOUS | Details | ||
| 27836.01 | Trigonocallista | taffi | HOLOTYPE | Taff, Hanna, & Cross, 1940 | USA | California | Butte | Chico | CRETACEOUS | Details |
| 66237.01 | Trigonocallista | varians | VOUCHER | Hall, 1958 | USA | California | Alameda | Oakland conglomerate | CRETACEOUS | Details |
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