Phallocysta |
Phallocysta elongata
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Phallocysta |
Phallocysta eumekes
|
Russia(Siberia) |
Late Pliensbachian |
Aalenian |
Phoberocysta |
Phoberocysta neocomica
|
Russian Platform |
Ryazanian |
|
Prolixosphaeridium |
Prolixosphaeridium anasillum
|
Russian Platform |
Late Callovian |
Middle Volgian |
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Russian Platform |
Kimmeridgian |
Middle Volgian |
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
Russian Platform |
Late Callovian |
Middle Volgian |
Protobatioladinium |
Protobatioladinium elatmaense
|
Russian Platform |
Late Bathonian |
|
Protobatioladinium |
Protobatioladinium elatmaense
|
Russian Platform |
Bathonian |
Callovian |
Protobatioladinium |
Protobatioladinium elongatum
|
Russian Platform |
Late Bathonian |
Callovian |
Protobatioladinium |
Protobatioladinium westburiense
|
Russian Platform |
Volgian |
|
Pseudoceratium |
Pseudoceratium pelliferum
|
Russia(Siberia) |
Callovian |
|
Pterospermella |
Pterospermella sp
|
Russia(Siberia) |
Late Pliensbachian |
Toarcian |
Pterospermella |
Pterospermella sp
|
Russian Platform |
Kimmeridgian |
Volgian |
Retitriletes |
Retitriletes austroclavatidites
|
Russia(Siberia) |
Late Pliensbachian |
Early Callovian |
Retitriletes |
Retitriletes austroclavatidites
|
Russian Platform |
Kimmeridgian |
Volgian |
Rhynchodiniopsis |
Rhynchodiniopsis cladophora
|
Russia(Siberia) |
Callovian |
|
Rhynchodiniopsis |
Rhynchodiniopsis cladophora
|
Russian Platform |
Bathonian |
Middle Volgian |