Achomosphaera |
Achomosphaera neptuni
|
England(Isle of Wight) |
Aptian |
|
Achomosphaera |
Achomosphaera neptuni
|
W.Germany(Schleswig) |
Late Aptian |
|
Adnatosphaeridium |
Adnatosphaeridium apiculatum
|
England(Isle of Wight) |
Aptian |
Early Albian |
Aldorfia |
Aldorfia vectensis
sp. nov. |
England(Isle of Wight) |
Late Aptian |
|
Aptea |
Aptea plera
sp. nov. |
England(Isle of Wight) |
Early Aptian |
|
Aptea |
Aptea polymorpha
sp. nov. |
England(Isle of Wight) |
Aptian |
|
Aptea |
Aptea securigera
|
England(Isle of Wight) |
Early Aptian |
|
Athigmatocysta |
Athigmatocysta glabra
|
England(Isle of Wight) |
Early Aptian |
|
Australisphaera |
Australisphaera
|
South Africa |
Maastrichtian |
|
Australisphaera |
Australisphaera dolabella
sp. nov. |
England(Isle of Wight) |
Early Albian |
|
Australisphaera |
Australisphaera pannosa
|
England(Isle of Wight) |
Aptian |
Early Albian |
Australisphaera |
Australisphaera pannosa
|
England(Yorkshire) |
Middle Barremian |
|
Australisphaera |
Australisphaera vitrea
sp. nov. |
England(Isle of Wight) |
Aptian |
|
Avellodinium |
Avellodinium falsificum
|
England(Isle of Wight) |
Aptian |
|
Baltisphaeridium |
Baltisphaeridium neptunii
|
England(Isle of Wight) |
Aptian |
|
Baltisphaeridium |
Baltisphaeridium neptunii
|
W.Germany(Schleswig) |
Late Aptian |
|
Batioladinium |
Batioladinium jaegeri
|
England(Isle of Wight) |
Aptian |
Early Albian |