Crassosphaera |
Crassosphaera hexagonalis
|
France(Lorraine) |
Liassic |
|
Cymatiosphaera |
Cymatiosphaera pachytheca
|
France(Lorraine) |
Liassic |
|
Leiosphaeridia |
Leiosphaeridia ferquensis
|
France(Boulonnais) |
Frasnian |
|
Leiosphaeridia |
Leiosphaeridia ferquensis
|
France(Boulonnais) |
Early Frasnian |
|
Maranhites |
Maranhites gallicus
sp. nov. |
France(Boulonnais) |
Frasnian |
|
Perisaccus |
Perisaccus
|
USSR(Russian Platform) |
Frasnian |
|
Perisaccus |
Perisaccus laevigatus
|
France(Boulonnais) |
Frasnian |
|
Perisaccus |
Perisaccus sp
sp. nov. |
France(Boulonnais) |
Frasnian |
|
Punctatasporites |
Punctatasporites sp
sp. nov. |
Nd |
Nd |
|
Punctatisporites |
Punctatisporites ferquensis
|
France(Boulonnais) |
Frasnian |
|
Punctatisporites |
Punctatisporites ferquensis
|
France(Boulonnais) |
Early Frasnian |
|
Tasmanites |
Tasmanites asper
|
France(Boulonnais) |
Frasnian |
|
Tasmanites |
Tasmanites forme a
sp. nov. |
France(Boulonnais) |
Frasnian |
|
Tasmanites |
Tasmanites newtonii
|
France(Lorraine) |
Liassic |
|
Tasmanites |
Tasmanites plicatilis
|
France(Boulonnais) |
Frasnian |
|
Tasmanites |
Tasmanites sinuosus
|
France(Boulonnais) |
Frasnian |
|
Tasmanites |
Tasmanites sp
sp. nov. |
Nd |
Nd |
|