Cordosphaeridium |
Cordosphaeridium senegalense
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium tenuistriatum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium trompetum
|
Australia(Victoria) |
Paleocene |
|
Cordosphaeridium |
Cordosphaeridium uncinispinosum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium valiantum
|
Nd |
Nd |
|
Craspedodinium |
Craspedodinium defloccatum
|
Nd |
Nd |
|
Craspedodinium |
Craspedodinium defloccatum
|
Nd |
Nd |
|
Craspedodinium |
Craspedodinium pergamentaceum
|
Nd |
Nd |
|
Craspedodinium |
Craspedodinium pergamentaceum
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium cristatum
|
New Jersey |
Campanian |
Maastrichtian |
Cribroperidinium |
Cribroperidinium forulatum
|
China(Heilungkiang) |
Late Kimmeridgian |
Berriasian |
Cribroperidinium |
Cribroperidinium giuseppei
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium granomembranaceum
|
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Cribroperidinium |
Cribroperidinium granulatum
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium granuligerum
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium jubaris
|
Canada(NWT,Franklin) |
Tithonian |
|
Cribroperidinium |
Cribroperidinium longicorne
|
England |
Late Kimmeridgian |
|