Tenua |
Tenua verrucosa
|
Nd |
Late Bathonian |
Middle Oxfordian |
Tenua |
Tenua villersensis
|
Nd |
Late Bathonian |
Early Oxfordian |
Valensiella |
Valensiella amandopolitana
|
Nd |
Nd |
|
Valensiella |
Valensiella amandopolitana
|
Nd |
Bajocian |
Early Callovian |
Valensiella |
Valensiella ampulla
|
Nd |
Early Bathonian |
Late Bathonian |
Valensiella |
Valensiella ovulum
|
Nd |
Bajocian |
Early Oxfordian |
Valensiella |
Valensiella vermiculata
|
Nd |
Early Bathonian |
Late Bathonian |
Valvaeodinium |
Valvaeodinium armatum
|
Nd |
Late Pliensbachian |
Aalenian |
Verrucosphaera |
Verrucosphaera lukoviensis
|
Nd |
Bajocian |
Early Oxfordian |
Wanaea |
Wanaea acollaris
|
Bulgaria |
Late Bathonian |
|
Wanaea |
Wanaea clathrata
|
Nd |
Late Callovian |
Middle Oxfordian |
Wanaea |
Wanaea digitata
|
Nd |
Late Callovian |
Middle Oxfordian |
Wanaea |
Wanaea fimbriata
|
Nd |
Early Oxfordian |
|
Wanaea |
Wanaea spectabilis
|
Nd |
Late Callovian |
Middle Oxfordian |
Xenicodinium |
Xenicodinium densispinosum
|
Nd |
Kimmeridgian |
|