Adnatosphaeridium |
Adnatosphaeridium
|
Nd |
Nd |
|
Alexandrium |
Alexandrium
|
Nd |
Nd |
|
Alisocysta |
Alisocysta
|
Nd |
Nd |
|
Alisocysta |
Alisocysta circumtabulata
|
Nd |
Nd |
|
Alisocysta |
Alisocysta margarita
|
Nd |
Early Cretaceous |
Holocene |
Alterbidinium |
Alterbidinium
|
Nd |
Nd |
|
Ambonosphaera |
Ambonosphaera
|
Nd |
Nd |
|
Amphidinium |
Amphidinium carterae
|
Nd |
Nd |
|
Amphisolenia |
Amphisolenia thrinax
|
Nd |
Nd |
|
Amphorula |
Amphorula
|
Nd |
Nd |
|
Angustidinium |
Angustidinium
|
Nd |
Early Jurassic |
Middle Cretaceous |
Angustidinium |
Angustidinium acribes
|
Nd |
Early Cretaceous |
|
Apectodinium |
Apectodinium
|
Nd |
Nd |
|
Aprobolocysta |
Aprobolocysta
|
Nd |
Nd |
|
Apteodinium |
Apteodinium
|
Nd |
Middle Jurassic |
Holocene |
Archaeperidinium |
Archaeperidinium minutum
|
Nd |
Nd |
|
Areoligera |
Areoligera
|
Nd |
Late Jurassic |
Miocene |