Homotryblium |
Homotryblium abbreviatum
|
Nd |
Nd |
|
Homotryblium |
Homotryblium bifurcatum
|
Nd |
Nd |
|
Homotryblium |
Homotryblium floripes
|
Nd |
Nd |
|
Homotryblium |
Homotryblium oceanicum
|
Nd |
Nd |
|
Homotryblium |
Homotryblium pallidum
|
Nd |
Nd |
|
Homotryblium |
Homotryblium plectilum
|
Nd |
Nd |
|
Homotryblium |
Homotryblium tasmaniense
|
Nd |
Nd |
|
Homotryblium |
Homotryblium tenuispinosum
|
Nd |
Nd |
|
Horologinella |
Horologinella
|
Australia(W.Australia) |
Aptian |
Albian |
Horologinella |
Horologinella lineata
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium amphiacanthum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium compactum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium dasum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium furcatum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium infundibulum
|
Nd |
Nd |
|
Hystrichodinium |
Hystrichodinium isodiametricum
|
Australia |
Campanian |
Early Maastrichtian |
Hystrichodinium |
Hystrichodinium oligacanthum
|
Nd |
Nd |
|