Ovoidinium |
Ovoidinium waltonii
|
Nd |
Nd |
|
Palaeoglenodinium |
Palaeoglenodinium cretaceum
|
Nd |
Nd |
|
Palaeohystrichosphaeridium |
Palaeohystrichosphaeridium williereae
|
Nd |
Nd |
|
Palaeohystrichosphaeridium |
Palaeohystrichosphaeridium williereae
|
Nd |
Nd |
|
Palaeohystrichosphaeridium |
Palaeohystrichosphaeridium williereae
|
Nd |
Nd |
Nd |
Palaeohystrichosphaeridium |
Palaeohystrichosphaeridium wimanii
|
Nd |
Nd |
|
Pareodinia |
Pareodinia aceras
|
Nd |
Nd |
|
Pareodinia |
Pareodinia microreticulata
|
China(Hopei) |
Late Oligocene |
|
Pareodinia |
Pareodinia pseudochytroeides
|
W.Germany(Baden) |
Aalenian |
|
Pareodinia |
Pareodinia reticulata
|
Spitsbergen |
Toarcian |
|
Parvocavatus |
Parvocavatus scabratus
|
India(Gujarat) |
Kimmeridgian |
Tithonian |
Parvocavatus |
Parvocavatus scutella
|
Nd |
Nd |
|
Parvocysta |
Parvocysta
|
Spitsbergen |
Toarcian |
|
Parvocysta |
Parvocysta bullula
|
Nd |
Nd |
|
Parvocysta |
Parvocysta nasuta
|
Nd |
Nd |
|
Parvocysta |
Parvocysta nasuta
|
Nd |
Nd |
|
Paucibucina |
Paucibucina dongyingensis
|
Nd |
Nd |
|