Cleistosphaeridium |
Cleistosphaeridium varispinosum
|
Russian Platform |
Callovian |
Kimmeridgian |
Concavissimisporites |
Concavissimisporites verrucosus
|
Russia(Siberia) |
Late Pliensbachian |
Toarcian |
Coronatispora |
Coronatispora valdensis
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Cribroperidinium |
Cribroperidinium gigas
|
Russian Platform |
Middle Volgian |
Late Volgian |
Cribroperidinium |
Cribroperidinium globatum
|
Russian Platform |
Callovian |
Middle Volgian |
Cribroperidinium |
Cribroperidinium longicorne
|
Russian Platform |
Kimmeridgian |
Middle Volgian |
Cribroperidinium |
Cribroperidinium sp
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Crussolia |
Crussolia dalei
|
Russia(Siberia) |
Middle Bathonian |
Early Callovian |
Crussolia |
Crussolia dalei
|
Russian Platform |
Bathonian |
Oxfordian |
Crussolia |
Crussolia deflandrei
|
Russia(Siberia) |
Middle Bathonian |
Late Bathonian |
Crussolia |
Crussolia deflandrei
|
Russian Platform |
Bathonian |
Middle Volgian |
Crussolia |
Crussolia perireticulata
|
Russia(Siberia) |
Middle Bathonian |
Early Callovian |
Crussolia |
Crussolia perireticulata
|
Russian Platform |
Bathonian |
Oxfordian |
Crussolia |
Crussolia sp
|
Russian Platform |
Bathonian |
Oxfordian |
Ctenidodinium |
Ctenidodinium chondrum
|
Russian Platform |
Middle Volgian |
|
Ctenidodinium |
Ctenidodinium combazii
|
Russian Platform |
Bathonian |
Middle Volgian |
Ctenidodinium |
Ctenidodinium continuum
|
Russian Platform |
Callovian |
Middle Volgian |