Trichodinium |
Trichodinium rhomboidale
|
Poland |
Kimmeridgian |
|
Tubotuberella |
Tubotuberella rhombiformis
|
USSR(Moscow) |
Late Kimmeridgian |
Portlandian |
Tubotuberella |
Tubotuberella sphaerocephalum
|
USSR(Moscow) |
Late Kimmeridgian |
Portlandian |
Tytthodiscus |
Tytthodiscus chondrotus
|
Germany |
Toarcian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Hettangian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Sinemurian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Pliensbachian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Toarcian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Aalenian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Bajocian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Bathonian |
|
Tytthodiscus |
Tytthodiscus schandelahensis
|
Germany |
Callovian |
|
Tytthodiscus |
Tytthodiscus suevicus
|
England |
Hettangian |
|
Tytthodiscus |
Tytthodiscus suevicus
|
Germany |
Toarcian |
|
Tytthodiscus |
Tytthodiscus suevicus
|
Germany |
Aalenian |
|
Tytthodiscus |
Tytthodiscus suevicus
|
Germany |
Bajocian |
|
Tytthodiscus |
Tytthodiscus suevicus
|
Germany |
Bathonian |
|