Tasmanites |
Tasmanites martinssonii
sp. nov. |
E.Germany(Potsdam) |
Ordovician |
|
Tasmanites |
Tasmanites martinssonii
sp. nov. |
Finland |
Ordovician |
|
Bion |
Bion solidum
|
Nd |
Nd |
|
Leiosphaera |
Leiosphaera solida
|
Nd |
Nd |
|
Leiosphaera |
Leiosphaera sp. Mart.,1956
sp. nov. |
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Nd |
Nd |
|
Tasmanites |
Tasmanites sp
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium microspinosum
|
Nd |
Nd |
|
Tasmanites |
Tasmanites sp
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia granulata
|
Poland |
Ordovician |
|
Tasmanites |
Tasmanites martinssonii
sp. nov. |
Poland |
Ordovician |
|
Leiosphaera |
Leiosphaera granulata
|
Poland |
Ordovician |
|
Tasmanites |
Tasmanites sp
|
Sweden |
Early Ordovician |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Baltic) |
Ashgillian |
|