Heliodinium |
Heliodinium voigtii
|
Nd |
Barremian |
Early Aptian |
Hemicystodinium |
Hemicystodinium zoharyi
|
Nd |
Pleistocene |
|
Hemicystodinium |
Hemicystodinium zoharyi
sp. nov. |
Nd |
Pleistocene |
|
Hemiplacophora |
Hemiplacophora semilunifera
|
Nd |
Late Eocene |
|
Herendeenia |
Herendeenia pisciformis
|
Nd |
Late Jurassic |
|
Heslertonia |
Heslertonia heslertonensis
|
Nd |
Hauterivian |
Barremian |
Heslertonia |
Heslertonia pellucida
|
Nd |
Early Kimmeridgian |
|
Heteraulacacysta |
Heteraulacacysta campanula
|
Nd |
Middle Eocene |
|
Heteraulacacysta |
Heteraulacacysta fehmarnensis
sp. nov. |
Nd |
Early Eocene |
|
Heterosphaeridium |
Heterosphaeridium conjunctum
|
Nd |
Santonian |
Early Campanian |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Nd |
Eocene |
Oligocene |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Nd |
Late Cretaceous |
Early Eocene |
Hexagonifera |
Hexagonifera chlamydata
|
Nd |
Albian |
Cenomanian |
Hexagonifera |
Hexagonifera glabra
|
Nd |
Senonian |
|
Hexagonifera |
Hexagonifera jurassica
|
Nd |
Kimmeridgian |
|
Hexagonifera |
Hexagonifera laticaudata
|
Nd |
Santonian |
|
Hexagonifera |
Hexagonifera suspecta
|
Nd |
Cenomanian |
|