Desmocysta |
Desmocysta
|
England(Isle of Wight) |
Aptian |
|
Diconodinium |
Diconodinium davidii
|
Australia(Queensland) |
Late Aptian |
Early Albian |
Dimidiadinium |
Dimidiadinium
|
France(Normandie) |
Early Oxfordian |
|
Dimidiadinium |
Dimidiadinium dangeardii
|
France(Normandie) |
Early Oxfordian |
|
Dimidiadinium |
Dimidiadinium sphaerocephalum
|
Canada(NWT,Mackenzie) |
Early Jurassic |
Early Cretaceous |
Dimidiadinium |
Dimidiadinium uncinatum
|
Canada(NWT,Mackenzie) |
Hauterivian |
Barremian |
Dinaurelia |
Dinaurelia
|
W.Germany(Baden) |
Late Bajocian |
|
Diphasiosphaera |
Diphasiosphaera
|
Nd |
Nd |
|
Diphasiosphaera |
Diphasiosphaera stolidata
|
England(Yorkshire) |
Middle Barremian |
|
Discorsia |
Discorsia
|
England(Yorkshire) |
Early Barremian |
|
Dissiliodinium |
Dissiliodinium
|
France(Calvados) |
Early Kimmeridgian |
|
Dodekovia |
Dodekovia
|
Nd |
Nd |
|
Dodekovia |
Dodekovia gochtii
|
Canada(Arctic) |
Toarcian |
Bathonian |
Dodekovia |
Dodekovia scrofoides
|
Nd |
Nd |
|
Dodekovia |
Dodekovia syzygia
|
Canada(Arctic) |
Toarcian |
Bathonian |
Escharisphaeridia |
Escharisphaeridia
|
England |
Late Callovian |
|
Escharisphaeridia |
Escharisphaeridia granulata
|
France(Rhone) |
Late Oxfordian |
|