Hafniasphaera |
Hafniasphaera septata
|
Worldwide |
Paleocene |
Early Eocene |
Hebecysta |
Hebecysta
|
Worldwide |
Late Norian |
|
Heibergella |
Heibergella aculeata
|
Worldwide |
Late Norian |
|
Heibergella |
Heibergella kendelbachia
|
Worldwide |
Rhaetian |
|
Heibergella |
Heibergella salebrosacea
|
Worldwide |
Late Norian |
|
Heslertonia |
Heslertonia heslertonensis
|
Worldwide |
Valanginian |
Early Aptian |
Heteraulacacysta |
Heteraulacacysta campanula
|
Worldwide |
Oligocene |
Middle Miocene |
Heteraulacacysta |
Heteraulacacysta leptalea
|
Worldwide |
Paleocene |
Eocene |
Heteraulacacysta |
Heteraulacacysta porosa
|
Worldwide |
Middle Eocene |
|
Histiocysta |
Histiocysta palla
|
Worldwide |
Late Albian |
Early Campanian |
Histiophora |
Histiophora ornata
|
Worldwide |
Kimmeridgian |
|
Homotryblium |
Homotryblium abbreviatum
|
Worldwide |
Eocene |
Early Oligocene |
Homotryblium |
Homotryblium floripes
|
Worldwide |
Middle Eocene |
Early Miocene |
Homotryblium |
Homotryblium oceanicum
|
Worldwide |
Middle Eocene |
|
Homotryblium |
Homotryblium pallidum
|
Worldwide |
Eocene |
Oligocene |
Homotryblium |
Homotryblium tenuispinosum
|
Worldwide |
Early Eocene |
Middle Eocene |
Homotryblium |
Homotryblium variabile
|
Worldwide |
Middle Eocene |
|