Hystrichosphaeridium |
Hystrichosphaeridium ferox
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium flosculus
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium hirsutum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium horridum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium machaerophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
France(Herault) |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium striolatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
New Jersey |
Early Eocene |
|
Hystrichosphaerina |
Hystrichosphaerina
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium
|
Nd |
Nd |
|
Nematosphaeropsis |
Nematosphaeropsis
|
Nd |
Nd |
|
Nematosphaeropsis |
Nematosphaeropsis
|
New Jersey |
Maastrichtian |
|
Polystephanephorus |
Polystephanephorus
|
Nd |
Nd |
|
Systematophora |
Systematophora
|
Nd |
Nd |
|
Triblastula |
Triblastula
|
Nd |
Nd |
|