Ellipsoidictyum |
Ellipsoidictyum cinctum
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Ellipsoidictyum |
Ellipsoidictyum sp
|
USSR(Caucasus) |
Early Callovian |
|
Escharisphaeridia |
Escharisphaeridia pocockii
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Gonyaulacysta |
Gonyaulacysta pectinigera
|
USSR(Caucasus) |
Middle Callovian |
|
Korystocysta |
Korystocysta sp
sp. nov. |
USSR(Caucasus) |
Early Callovian |
|
Liesbergia |
Liesbergia liesbergensis
|
USSR(Caucasus) |
Middle Callovian |
|
Lithodinia |
Lithodinia bathonica
|
USSR(Caucasus) |
Early Callovian |
|
Lithodinia |
Lithodinia jurassica
|
USSR(Caucasus) |
Middle Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax callomonii
|
USSR(Caucasus) |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax cantrellii
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Meiourogonyaulax |
Meiourogonyaulax cantrellii
|
USSR(Caucasus) |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax caytonensis
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Meiourogonyaulax |
Meiourogonyaulax decapitata
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Meiourogonyaulax |
Meiourogonyaulax decapitata
|
USSR(Caucasus) |
Early Callovian |
Middle Callovian |
Meiourogonyaulax |
Meiourogonyaulax planoseptata
|
USSR(Caucasus) |
Middle Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax reticulata
|
USSR(Caucasus) |
Early Callovian |
|