Apteodinium |
Apteodinium granuliferum
sp. nov. |
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Batioladinium |
Batioladinium pomum
|
USSR(Ryazin) |
Ryazanian |
|
Cribroperidinium |
Cribroperidinium volkovae
sp. nov. |
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Batioladinium |
Batioladinium rossicum
|
USSR(Ryazin) |
Ryazanian |
|
Kiokansium |
Kiokansium brevispinosum
|
USSR(Ryazin) |
Hauterivian |
|
Tubotuberella |
Tubotuberella dentata
|
USSR(Ryazin) |
Ryazanian |
|
Tubotuberella |
Tubotuberella eisenackii
|
USSR(Ryazin) |
Ryazanian |
|
Endoscrinium |
Endoscrinium glabrum
|
USSR(Ryazin) |
Ryazanian |
|
Achomosphaera |
Achomosphaera neptuni
|
USSR(Ryazin) |
Cretaceous |
Early Aptian |
Achomosphaera |
Achomosphaera verdieri
|
USSR(Ryazin) |
Ryazanian |
|
Aldorfia |
Aldorfia sp.A Dave.,1982
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|
Ambonosphaera |
Ambonosphaera staffinensis
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Angustidinium |
Angustidinium acribes
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Aprobolocysta |
Aprobolocysta galeata
|
USSR(Ryazin) |
Hauterivian |
|
Aprobolocysta |
Aprobolocysta galeata
|
USSR(Ryazin) |
Hauterivian |
|
Aprobolocysta |
Aprobolocysta neista
|
USSR(Ryazin) |
Cretaceous |
|
Aprobolocysta |
Aprobolocysta neista
|
USSR(Ryazin) |
Cretaceous |
|