Balteocysta |
Balteocysta perforata
|
South Africa |
Turonian |
|
Balteocysta |
Balteocysta rotula
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera
|
Worldwide |
Middle Jurassic |
Early Miocene |
Batiacasphaera |
Batiacasphaera compta
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera euteiches
|
Nd |
Nd |
|
Batioladinium |
Batioladinium
|
Worldwide |
Early Cretaceous |
|
Batioladinium |
Batioladinium jaegeri
|
Nd |
Nd |
|
Belodinium |
Belodinium
|
Worldwide |
Middle Jurassic |
Late Jurassic |
Belodinium |
Belodinium dysculum
|
Nd |
Nd |
|
Biorbifera |
Biorbifera
|
Worldwide |
Early Cretaceous |
|
Biorbifera |
Biorbifera johnewingii
|
Nd |
Nd |
|
Bitectatodinium |
Bitectatodinium
|
Worldwide |
Pleistocene |
Recent |
Bitectatodinium |
Bitectatodinium tepikiense
|
Nd |
Nd |
|
Boreocysta |
Boreocysta
|
Worldwide |
Neocomian |
|
Boreocysta |
Boreocysta butticula
|
Nd |
Nd |
|
Bourkidinium |
Bourkidinium
|
Worldwide |
Aptian |
Albian |
Bourkidinium |
Bourkidinium granulatum
|
Nd |
Nd |
|