Systematophora |
Systematophora penicillata
|
Russian Platform |
Bathonian |
Ryazanian |
Systematophora |
Systematophora sp
|
Russian Platform |
Late Callovian |
Ryazanian |
Systematophora |
Systematophora sp
|
Russian Platform |
Late Callovian |
Middle Volgian |
Systematophora |
Systematophora valensii
|
Russian Platform |
Late Callovian |
Ryazanian |
Systematophora |
Systematophora valensii
|
Russian Platform |
Late Callovian |
Kimmeridgian |
Tasmanites |
Tasmanites sp
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Tasmanites |
Tasmanites sp
|
Russian Platform |
Late Callovian |
Volgian |
Todisporites |
Todisporites sp
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Trichodinium |
Trichodinium scarburghense
|
Russian Platform |
Late Callovian |
Kimmeridgian |
Trichodinium |
Trichodinium sp
|
Russian Platform |
Kimmeridgian |
Middle Volgian |
Tripartites |
Tripartites vetustus
|
Russian Platform |
Middle Volgian |
|
Tubotuberella |
Tubotuberella apatela
|
Russian Platform |
Callovian |
Ryazanian |
Tubotuberella |
Tubotuberella dangeardii
|
Russia(Siberia) |
Callovian |
|
Tubotuberella |
Tubotuberella dangeardii
|
Russian Platform |
Bathonian |
Middle Volgian |
Tubotuberella |
Tubotuberella rhombiformis
|
Russian Platform |
Late Callovian |
Ryazanian |
Tubotuberella |
Tubotuberella sp
|
Russian Platform |
Late Callovian |
Middle Volgian |
Valensiella |
Valensiella sp
|
Russian Platform |
Late Callovian |
Middle Volgian |