Baltisphaeridium |
Baltisphaeridium piriferum
|
Europe |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium piriferum
|
Africa |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium sartbernardense
|
North America |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sartbernardense
|
South America |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sartbernardense
|
Europe |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sartbernardense
|
Africa |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
North America |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
North America |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
South America |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
South America |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
Europe |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
Europe |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
Africa |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp.I
sp. nov. |
Africa |
Ordovician |
|
Buedingiisphaeridium |
Buedingiisphaeridium citrinum
|
North America |
Silurian |
|
Buedingiisphaeridium |
Buedingiisphaeridium citrinum
|
South America |
Silurian |
|
Buedingiisphaeridium |
Buedingiisphaeridium citrinum
|
Europe |
Silurian |
|