Chytroeisphaeridia |
Chytroeisphaeridia cerastes
|
Russian Platform |
Callovian |
Kimmeridgian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Russia(Siberia) |
Callovian |
|
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Russian Platform |
Bathonian |
Volgian |
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
Russia(Siberia) |
Callovian |
|
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
Russian Platform |
Bathonian |
Middle Volgian |
Chytroeisphaeridia |
Chytroeisphaeridia sp
|
Russian Platform |
Callovian |
Kimmeridgian |
Cibotiumspora |
Cibotiumspora jurienensis
|
Russia(Siberia) |
Late Pliensbachian |
Early Callovian |
Cicatricosisporites |
Cicatricosisporites sp
|
Russian Platform |
Volgian |
Ryazanian |
Circulodinium |
Circulodinium compta
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Circulodinium |
Circulodinium distinctum
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Circulodinium |
Circulodinium sp
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Classopollis |
Classopollis classoides
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Classopollis |
Classopollis classoides
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Clathroctenocystis |
Clathroctenocystis asaphes
|
Russian Platform |
Bathonian |
Middle Volgian |
Clathroctenocystis |
Clathroctenocystis sp
|
Russian Platform |
Late Callovian |
|
Cleistosphaeridium |
Cleistosphaeridium sp
|
Russian Platform |
Callovian |
Middle Volgian |
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Russian Platform |
Callovian |
Middle Volgian |