Name | From | To | Age range |
---|---|---|---|
Trichodinium calvum | Late Barremian | Late Barremian |
|
Trichodinium brevispinosum | Early Albian | Early Albian |
|
Trichodinium bisculpturum | Campanian | Maastrichtian |
|
Trichodinium bifurcatum | Maastrichtian | Maastrichtian |
|
Trichodinium | Mesozoic | Cenozoic |
|