Achomosphaera |
Achomosphaera neptuni
|
North Sea |
Middle Volgian |
Aptian |
Achomosphaera |
Achomosphaera ramulifera
|
North Sea |
Early Aptian |
|
Aldorfia |
Aldorfia sp.A Dave.,1982
sp. nov. |
North Sea |
Middle Volgian |
|
Aldorfia |
Aldorfia spongiosa
|
North Sea |
Early Valanginian |
Early Hauterivian |
Aptea |
Aptea anaphrissa
|
North Sea |
Late Hauterivian |
|
Aptea |
Aptea polymorpha
|
North Sea |
Ryazanian |
Early Albian |
Aptea |
Aptea securigera
|
North Sea |
Ryazanian |
Early Albian |
Apteodinium |
Apteodinium grande
|
North Sea |
Late Barremian |
Albian |
Apteodinium |
Apteodinium granulatum
|
North Sea |
Middle Barremian |
Early Aptian |
Apteodinium |
Apteodinium nuciforme
|
North Sea |
Early Volgian |
Middle Volgian |
Ascodinium |
Ascodinium scabrosum
|
North Sea |
Albian |
|
Avellodinium |
Avellodinium falsificum
|
North Sea |
Hauterivian |
Barremian |
Batioladinium |
Batioladinium jaegeri
|
North Sea |
Barremian |
Early Albian |
Batioladinium |
Batioladinium longicornutum
|
North Sea |
Valanginian |
Early Aptian |
Batioladinium |
Batioladinium pelliferum
|
North Sea |
Late Valanginian |
Middle Barremian |
Batioladinium |
Batioladinium pomum
|
North Sea |
Middle Volgian |
Valanginian |
Batioladinium |
Batioladinium radiculatum
|
North Sea |
Late Valanginian |
|