Gleicheniidites |
Gleicheniidites senonicus
|
Russian Platform |
Kimmeridgian |
Ryazanian |
Glossodinium |
Glossodinium dimorphum
|
Russian Platform |
Kimmeridgian |
Middle Volgian |
Gochteodinia |
Gochteodinia villosa
|
Russian Platform |
Late Volgian |
Ryazanian |
Gonyaulacaceae |
Gonyaulacaceae
|
Russian Platform |
Bathonian |
Volgian |
Gonyaulacysta |
Gonyaulacysta centriconnata
|
Russian Platform |
Middle Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta dualis
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta eisenackii
|
Russian Platform |
Late Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Russia(Siberia) |
Callovian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Russian Platform |
Kimmeridgian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Russian Platform |
Bathonian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta pectinigera
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta sp
|
Russian Platform |
Callovian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta sp
|
Russian Platform |
Bathonian |
Ryazanian |
Halosphaeropsis |
Halosphaeropsis liassica
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |