Name | From | To | Age range |
---|---|---|---|
Trichodinium sp.C | Paleocene | Paleocene |
|
Trichodinium speetonense | Berriasian | Early Albian |
|
Trichodinium spinosum | Berriasian | Early Cenomanian |
|
Trichodinium sulcatum | Valanginian | Barremian |
|
Trichodinium tenuispinum | Middle Eocene | Middle Eocene |
|