Pareodinia |
Pareodinia sp
|
USSR(Siberia) |
Late Toarcian |
Early Aalenian |
Imbatodinium |
Imbatodinium sp
|
USSR(Siberia) |
Late Toarcian |
Early Aalenian |
Pseudolioceras |
Pseudolioceras alienum
|
USSR(Siberia) |
Late Toarcian |
Early Aalenian |
Pareodinia |
Pareodinia ceratophora
|
USSR(Siberia) |
Early Callovian |
|
Gonyaulacysta |
Gonyaulacysta sp
|
USSR(Siberia) |
Early Callovian |
|
Tapeinosphaeridium |
Tapeinosphaeridium pericompsum
|
USSR(Siberia) |
Early Callovian |
|
Pareodinia |
Pareodinia borealis
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |
Tubotuberella |
Tubotuberella rhombiformis
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |
Sirmiodinium |
Sirmiodinium sp
|
USSR(Siberia) |
Middle Volgian |
Early Berriasian |