Tritonites |
Tritonites pandus
|
Nd |
Nd |
|
Tritonites |
Tritonites spinosus
|
Nd |
Nd |
|
Tritonites |
Tritonites tricornus
|
Nd |
Nd |
|
Truncatisphaeridium |
Truncatisphaeridium clevelandense
|
Nd |
Nd |
|
Tuberculodinium |
Tuberculodinium
|
Nd |
Nd |
|
Tuberculodinium |
Tuberculodinium vancampoae
|
Nd |
Nd |
|
Tubotuberella |
Tubotuberella apatela
|
England |
Callovian |
Early Valanginian |
Tubotuberella |
Tubotuberella apatela
|
France |
Callovian |
Early Valanginian |
Tubotuberella |
Tubotuberella rhombiformis
|
Nd |
Nd |
|
Tytthodiscus |
Tytthodiscus
|
Nd |
Nd |
|
Unipontidinium |
Unipontidinium aquaeductum
|
Denmark |
Miocene |
|
Valensiella |
Valensiella
|
Nd |
Nd |
|
Valensiella |
Valensiella delicata
|
Nd |
Nd |
|
Valensiella |
Valensiella magna
|
Australia(Offshore) |
Late Hauterivian |
Barremian |
Valensiella |
Valensiella pygmaeus
|
Nd |
Nd |
|
Valensiella |
Valensiella sp
|
France |
Late Bajocian |
Early Kimmeridgian |
Valvaeodinium |
Valvaeodinium aquilonium
|
Nd |
Nd |
|