Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium truncigerum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium heteracanthum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium flosculus
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium ferox
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium multifurcatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium xanthiopyxides
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium ambiguum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium pterospermoides
|
Nd |
Nd |
|
Ceratocystidiopsis |
Ceratocystidiopsis simplex
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium reticulatum
|
Nd |
Nd |
|
Pterocystidiopsis |
Pterocystidiopsis stephaniana
|
Nd |
Nd |
|
Planinosphaeridium |
Planinosphaeridium membranaceum
|
Nd |
Nd |
|
Peridinium |
Peridinium conicum
|
Nd |
Nd |
|
Peridinites |
Peridinites oamaruensis
|
New Zealand |
Late Eocene |
|
Palaeostomocystis |
Palaeostomocystis echinulata
|
W.Germany |
Senonian |
|
Acanthodiacrodium |
Acanthodiacrodium echinulatum
|
W.Germany |
Senonian |
|