| Name | From | To | Age range |
|---|---|---|---|
| Trithyrodinium rhomboideum | Middle Cenomanian | Turonian |
|
| Trithyrodinium quinqueangulare | Late Campanian | Early Maestrichtian |
|
| Trithyrodinium pentagonum | Santonian | Thanetian |
|
| Trithyrodinium ornatum | Cenomanian | Maastrichtian |
|
| Trithyrodinium nigerianum | Campanian | Campanian |
|
| Trithyrodinium fragile | Turonian | Paleocene |
|
| Trithyrodinium evittii | Cenomanian | Early Eocene |
|
| Trithyrodinium dubium | Middle Cenomanian | Early Turonian |
|
| Trithyrodinium druggii | Late Cretaceous | Campanian |
|
| Trithyrodinium claytonense | Early Paleocene | Early Paleocene |
|
| Trithyrodinium | Mesozoic | Cenozoic |
|