| Name | From | To | Age range |
|---|---|---|---|
| Trichodinium | Mesozoic | Cenozoic |
|
| Trichodinium bifurcatum | Maastrichtian | Maastrichtian |
|
| Trichodinium bisculpturum | Campanian | Maastrichtian |
|
| Trichodinium brevispinosum | Early Albian | Early Albian |
|
| Trichodinium calvum | Late Barremian | Late Barremian |
|
| Trichodinium capillatum | Middle Callovian | Kimmeridgian |
|
| Trichodinium castanea | Late Callovian | Maastrichtian |
|
| Trichodinium cerciatum | Paleocene | Paleocene |
|
| Trichodinium chilense | Cenomanian | Maastrichtian |
|
| Trichodinium ciliatum | Late Jurassic | Early Turonian |
|
| Trichodinium dasyforma | Neocomian | Neocomian |
|
| Trichodinium delicatum | Turonian | Campanian |
|
| Trichodinium discus | Hauterivian | Early Aptian |
|
| Trichodinium eisenackii | Late Hauterivian | Albian |
|
| Trichodinium erinaceoides | Late Callovian | Valanginian |
|
| Trichodinium fusiforme | Early Eocene | Early Eocene |
|
| Trichodinium hirsutum | Campanian | Eocene |
|