Lophodiacrodium |
Lophodiacrodium valdaicum
|
Norway |
Late Cambrian |
|
Lophodiacrodium |
Lophodiacrodium valdaicum
|
Africa(Sahara) |
Late Cambrian |
|
Lua |
Lua
|
Texas |
Late Tremadocian |
|
Micrhystridium |
Micrhystridium
|
USSR(Arkhangelsk Oblast) |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
USSR(Leningrad) |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Estonia |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
USSR(Yaroslav) |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Russia |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Estonia |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Sweden |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Norway |
Late Cambrian |
|
Micrhystridium |
Micrhystridium
|
Poland |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium
|
England |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium
|
France |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium
|
Belgium |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium
|
Spain |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium
|
Italy |
Early Tremadocian |
|