Tubotuberella |
Tubotuberella sphaerocephalum
|
Europe |
Kimmeridgian |
Early Portlandian |
Valensiella |
Valensiella amandopolitana
|
Europe |
Bajocian |
Callovian |
Valensiella |
Valensiella ampulla
|
Europe |
Bathonian |
|
Valensiella |
Valensiella ovulum
|
Europe |
Bathonian |
Early Oxfordian |
Valensiella |
Valensiella vermiculata
|
Europe |
Bathonian |
|
Wanaea |
Wanaea clathrata
|
Europe |
Callovian |
Oxfordian |
Wanaea |
Wanaea digitata
|
Europe |
Callovian |
Oxfordian |
Wanaea |
Wanaea fimbriata
|
Europe |
Early Oxfordian |
|
Wanaea |
Wanaea spectabilis
|
Europe |
Callovian |
Oxfordian |
Xenicodinium |
Xenicodinium densispinosum
|
Europe |
Kimmeridgian |
|