Tytthodiscus |
Tytthodiscus suevicus
|
Poland |
Oxfordian |
|
Valensiella |
Valensiella ampulla
|
Germany |
Callovian |
|
Valensiella |
Valensiella ovulum
|
England |
Callovian |
|
Valensiella |
Valensiella ovulum
|
England |
Oxfordian |
|
Valensiella |
Valensiella ovulum
|
France |
Bajocian |
|
Valensiella |
Valensiella ovulum
|
France |
Bathonian |
|
Valensiella |
Valensiella ovulum
|
France |
Kimmeridgian |
|
Valensiella |
Valensiella ovulum
|
France |
Callovian |
|
Valensiella |
Valensiella ovulum
|
France |
Oxfordian |
|
Valensiella |
Valensiella ovulum
|
Germany |
Bajocian |
|
Valensiella |
Valensiella ovulum
|
Germany |
Bathonian |
|
Valensiella |
Valensiella ovulum
|
Germany |
Callovian |
|
Valvaeodinium |
Valvaeodinium armatum
|
Germany |
Pliensbachian |
|
Verrucosphaera |
Verrucosphaera lukoviensis
|
Poland |
Oxfordian |
|
Verrucosphaera |
Verrucosphaera lukoviensis
|
Baltic |
Callovian |
|
Veryhachium |
Veryhachium aster
|
England |
Sinemurian |
|
Veryhachium |
Veryhachium aster
|
England |
Callovian |
|