Acanthaulax |
Acanthaulax tenuiceras
|
W.Germany |
Late Aptian |
|
Acanthaulax |
Acanthaulax tenuiceras
|
France |
Late Albian |
|
Acanthaulax |
Acanthaulax tenuiceras
|
England |
Early Albian |
|
Ctenidodinium |
Ctenidodinium thulium
|
Canada(NWT,Franklin) |
Early Cretaceous |
|
Diacanthum |
Diacanthum
|
Nd |
Nd |
|
Diacanthum |
Diacanthum hollisteri
|
France |
Berriasian |
Valanginian |
Diacanthum |
Diacanthum tenuiceras
|
W.Germany |
Late Aptian |
|
Diacanthum |
Diacanthum tenuiceras
|
France |
Late Albian |
|
Diacanthum |
Diacanthum tenuiceras
|
England |
Early Albian |
|
Dichadogonyaulax |
Dichadogonyaulax
|
Nd |
Nd |
|
Dichadogonyaulax |
Dichadogonyaulax filapicata
|
Nd |
Nd |
|
Dinoflagellate |
Dinoflagellate forma s
sp. nov. |
California |
Early Berriasian |
|
Dinoflagellate |
Dinoflagellate forma t
sp. nov. |
Nd |
Nd |
|
Dinoflagellate |
Dinoflagellate forma u Evit.,1967
sp. nov. |
California |
Late Berriasian |
|
Exiguisphaera |
Exiguisphaera
|
England(Yorkshire) |
Hauterivian |
|
Exiguisphaera |
Exiguisphaera phragma
|
France |
Late Valanginian |
|
Exiguisphaera |
Exiguisphaera phragma
|
England |
Valanginian |
|