Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Nd |
Nd |
|
Cymatiosphaera |
Cymatiosphaera
|
Nd |
Nd |
|
Deflandrastrum |
Deflandrastrum
|
Nd |
Nd |
|
Deunffia |
Deunffia
|
Nd |
Nd |
|
Dictyosphaeridium |
Dictyosphaeridium deflandrei
|
Nd |
Nd |
|
Domasia |
Domasia
|
Nd |
Nd |
|
Echinum |
Echinum micraster
|
Nd |
Nd |
|
Estiastra |
Estiastra
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia milonii
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium arachnoides
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium bacilliferum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium bigotii
|
France(Calvados) |
Bajocian |
|
Micrhystridium |
Micrhystridium dictyophorum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium gilsonii
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium inconspicuum
|
Nd |
Nd |
|