Lophosphaeridium |
Lophosphaeridium zaleskyi
|
USSR(Pre-Baltic) |
Tremadocian |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Russian Platform) |
Tremadocian |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Russian Platform) |
Llandeilian |
Ludlovian |
Margominuscula |
Margominuscula rugosa
|
USSR(Pre-Baltic) |
Tremadocian |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Pre-Baltic) |
Llandeilian |
Ludlovian |
Micrhystridium |
Micrhystridium aculeatum
|
USSR(Russian Platform) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium aculeatum
|
USSR(Pre-Baltic) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium incertum
|
USSR(Russian Platform) |
Early Wenlockian |
|
Micrhystridium |
Micrhystridium incertum
|
USSR(Russian Platform) |
Tremadocian |
Middle Caradocian |
Micrhystridium |
Micrhystridium incertum
|
USSR(Pre-Baltic) |
Early Wenlockian |
|
Micrhystridium |
Micrhystridium incertum
|
USSR(Pre-Baltic) |
Tremadocian |
Middle Caradocian |
Micrhystridium |
Micrhystridium multiangulare
|
USSR(Russian Platform) |
Tremadocian |
|
Micrhystridium |
Micrhystridium multiangulare
|
USSR(Russian Platform) |
Llandoverian |
|
Micrhystridium |
Micrhystridium multiangulare
|
USSR(Pre-Baltic) |
Tremadocian |
|
Micrhystridium |
Micrhystridium multiangulare
|
USSR(Pre-Baltic) |
Llandoverian |
|
Micrhystridium |
Micrhystridium sp
|
USSR(Russian Platform) |
Llanvirnian |
Llandoverian |
Micrhystridium |
Micrhystridium sp
|
USSR(Pre-Baltic) |
Llanvirnian |
Llandoverian |