Heliodinium |
Heliodinium patriciae
|
Nd |
Nd |
|
Heliodinium |
Heliodinium voigtii
|
England(Surrey) |
Early Cenomanian |
|
Heslertonia |
Heslertonia
|
England(Yorkshire) |
Hauterivian |
|
Heslertonia |
Heslertonia heslertonensis
|
England(Yorkshire) |
Hauterivian |
|
Hystrichodinium |
Hystrichodinium
|
France(Paris Basin) |
Senonian |
|
Hystrichodinium |
Hystrichodinium alatum
|
England(Surrey) |
Early Cenomanian |
|
Hystrichodinium |
Hystrichodinium alatum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium amphiacanthum
|
Germany |
Aptian |
|
Hystrichodinium |
Hystrichodinium compactum
|
Germany |
Valanginian |
|
Hystrichodinium |
Hystrichodinium furcatum
|
Germany |
Hauterivian |
|
Hystrichodinium |
Hystrichodinium oligacanthum
|
Australia |
Early Cretaceous |
|
Hystrichodinium |
Hystrichodinium parvum
|
Germany |
Aptian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium ramoides
|
Germany |
Barremian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis
|
France |
Senonian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis borussica
|
Nd |
Nd |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis wetzelii
|
Nd |
Nd |
|