Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium scissospinum
|
W.Germany(Rhineland) |
Santonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium unituberculatum
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
Nd |
Nd |
|
Ifecysta |
Ifecysta
|
Nd |
Nd |
|
Ifecysta |
Ifecysta pachyderma
|
Nd |
Nd |
|
Imbatodinium |
Imbatodinium villosum
|
Nd |
Nd |
|
Impagidinium |
Impagidinium
|
Nd |
Nd |
|
Impagidinium |
Impagidinium dispertitum
|
Nd |
Nd |
|
Indodinium |
Indodinium
|
Nd |
Nd |
|
Indodinium |
Indodinium khariense
|
Nd |
Nd |
|
Indosphaera |
Indosphaera
|
Nd |
Nd |
|
Indosphaera |
Indosphaera bhujensis
|
Nd |
Nd |
|
Inversidinium |
Inversidinium
|
Nd |
Nd |
|
Inversidinium |
Inversidinium exilimurum
|
Nd |
Nd |
|
Invertocysta |
Invertocysta
|
Nd |
Nd |
|