Herendeenia |
Herendeenia pisciformis
|
Nd |
Nd |
|
Heslertonia |
Heslertonia heslertonensis
|
Nd |
Nd |
|
Heslertonia |
Heslertonia pellucida
|
Nd |
Nd |
|
Heslertonia |
Heslertonia striata
|
Nd |
Nd |
|
Heslertonia |
Heslertonia teichophera
|
Nd |
Nd |
|
Heteraulacacysta |
Heteraulacacysta campanula
|
Nd |
Nd |
|
Heteraulacacysta |
Heteraulacacysta leptalea
|
Nd |
Nd |
|
Heterosphaeridium |
Heterosphaeridium conjunctum
|
Nd |
Nd |
|
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Nd |
Nd |
|
Hexagonifera |
Hexagonifera
|
Australia(Victoria) |
Senonian |
|
Hexagonifera |
Hexagonifera chlamydata
|
Australia(W.Australia) |
Albian |
|
Hexagonifera |
Hexagonifera defloccata
|
France |
Vraconian |
|
Hexagonifera |
Hexagonifera glabra
|
Nd |
Nd |
|
Hexagonifera |
Hexagonifera laticaudata
|
USSR(Taymyr Nat.Okrug) |
Santonian |
|
Hexagonifera |
Hexagonifera scabrata
|
India(Madras) |
Aptian |
Early Albian |
Histiocysta |
Histiocysta palla
|
Nd |
Nd |
|
Histiophora |
Histiophora ornata
|
Nd |
Nd |
|