Sirmiodinium |
Sirmiodinium sp
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |
Stereisporites |
Stereisporites infragranulatus
|
USSR(Siberia) |
Sinemurian |
|
Stereisporites |
Stereisporites sp
|
USSR(Siberia) |
Sinemurian |
Bajocian |
Tapeinosphaeridium |
Tapeinosphaeridium pericompsum
|
USSR(Siberia) |
Early Callovian |
|
Tasmanites |
Tasmanites sp
|
USSR(Siberia) |
Pliensbachian |
Volgian |
Tripartina |
Tripartina variabilis
|
USSR(Siberia) |
Late Pliensbachian |
Early Aalenian |
Tubotuberella |
Tubotuberella rhombiformis
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |
Uvaesporites |
Uvaesporites argenteaeformis
|
USSR(Siberia) |
Pliensbachian |
|
Veryhachium |
Veryhachium sp
|
USSR(Siberia) |
Hettangian |
Oxfordian |
Vitreisporites |
Vitreisporites pallidus
|
USSR(Siberia) |
Early Oxfordian |
|