Baltisphaeridium |
Baltisphaeridium arbusculiferum
|
France(Normandie) |
Silurian |
Early Devonian |
Baltisphaeridium |
Baltisphaeridium robertinum
|
France(Normandie) |
Silurian |
Early Devonian |
Baltisphaeridium |
Baltisphaeridium simplex
|
France(Normandie) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium spectatissimum
|
France(Normandie) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
France(Normandie) |
Ordovician |
Early Devonian |
Duvernaysphaera |
Duvernaysphaera wilsonii
|
France(Normandie) |
Early Devonian |
Late Devonian |
Leiofusa |
Leiofusa pumilia
|
France(Normandie) |
Early Devonian |
Late Devonian |
Leiosphaeridia |
Leiosphaeridia sp
|
France(Normandie) |
|
|
Lophosphaeridium |
Lophosphaeridium citrinum
|
France(Normandie) |
Silurian |
|
Micrhystridium |
Micrhystridium parveroquesii
|
France(Normandie) |
Silurian |
Late Devonian |
Micrhystridium |
Micrhystridium raspum
|
France(Normandie) |
Ordovician |
Early Devonian |
Micrhystridium |
Micrhystridium spinoglobosum
|
France(Normandie) |
Early Devonian |
Late Devonian |
Micrhystridium |
Micrhystridium stellatum
|
France(Normandie) |
Silurian |
Late Devonian |
Micrhystridium |
Micrhystridium vigintispinum
|
France(Normandie) |
Silurian |
Early Devonian |
Unellium |
Unellium piriforme
|
France(Normandie) |
|
|
Veryhachium |
Veryhachium irregulare
|
France(Normandie) |
Early Devonian |
|
Veryhachium |
Veryhachium lairdii
|
France(Normandie) |
Ordovician |
Early Devonian |