Acanthaulax |
Acanthaulax venusta
|
Nd |
Middle Oxfordian |
Kimmeridgian |
Acanthogonyaulax |
Acanthogonyaulax
|
Nd |
Nd |
|
Amphidinium |
Amphidinium sibericum
|
Nd |
Nd |
|
Anhystrichosphaeridium |
Anhystrichosphaeridium
|
Nd |
Nd |
|
Apteodinium |
Apteodinium ciliatum
|
Nd |
Nd |
|
Areoligera |
Areoligera danica
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis diebelii
|
Nd |
Nd |
|
Ceratium |
Ceratium
|
Nd |
Nd |
|
Ceratocorys |
Ceratocorys smolenskiensis
|
Nd |
Nd |
|
Ceratocystidiopsis |
Ceratocystidiopsis incerta
|
Nd |
Nd |
|
Ceratocystidiopsis |
Ceratocystidiopsis ludbrookiae
|
Nd |
Nd |
|
Ceratocystidiopsis |
Ceratocystidiopsis molesta
|
Nd |
Nd |
|
Chelinocysta |
Chelinocysta
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Nd |
Nd |
|
Circulodinium |
Circulodinium hirtellum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium ashdodense
|
Nd |
Nd |
|