Chonesphaera |
Chonesphaera
|
Nd |
Nd |
|
Cirrifera |
Cirrifera
|
Nd |
Nd |
|
Collumosphaera |
Collumosphaera
|
Nd |
Nd |
|
Conicoidium |
Conicoidium
|
Nd |
Nd |
|
Craniopsis |
Craniopsis
|
Nd |
Nd |
|
Cupritia |
Cupritia
|
France(Rhone) |
Late Oxfordian |
|
Cyclodictyon |
Cyclodictyon
|
Nd |
Nd |
|
Cyclopsiella |
Cyclopsiella
|
Nd |
Nd |
|
Cystodinium |
Cystodinium
|
Nd |
Nd |
|
Damassadinium |
Damassadinium
|
California |
Danian |
|
Damassadinium |
Damassadinium abbreviatum
|
California |
Eocene |
|
Damassadinium |
Damassadinium californicum
|
California |
Danian |
|
Damassadinium |
Damassadinium chibane
|
Morocco |
Gargasian |
|
Damassadinium |
Damassadinium crassimuratum
|
New Zealand |
Porangan |
|
Damassadinium |
Damassadinium fibrosum
|
Sweden |
Late Maastrichtian |
|
Damassadinium |
Damassadinium heterospinosum
|
Indonesia(Java) |
Eocene |
|
Damassadinium |
Damassadinium impages
|
California |
Early Eocene |
Middle Eocene |