Micrhystridium |
Micrhystridium stellatum
|
USSR(Russian Platform) |
Tremadocian |
Early Wenlockian |
Micrhystridium |
Micrhystridium stellatum
|
USSR(Russian Platform) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium stellatum
|
USSR(Pre-Baltic) |
Tremadocian |
Early Wenlockian |
Micrhystridium |
Micrhystridium stellatum
|
USSR(Pre-Baltic) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium tetraxis
|
USSR(Russian Platform) |
Caradocian |
Early Wenlockian |
Micrhystridium |
Micrhystridium tetraxis
|
USSR(Pre-Baltic) |
Caradocian |
Early Wenlockian |
Micrhystridium |
Micrhystridium tornatum
|
USSR(Russian Platform) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium tornatum
|
USSR(Pre-Baltic) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium vulgare
|
USSR(Russian Platform) |
Tremadocian |
Ludlovian |
Micrhystridium |
Micrhystridium vulgare
|
USSR(Pre-Baltic) |
Tremadocian |
Ludlovian |
Microconcentrica |
Microconcentrica aculeata
|
USSR(Russian Platform) |
Cambrian |
Ludlovian |
Microconcentrica |
Microconcentrica aculeata
|
USSR(Pre-Baltic) |
Cambrian |
Ludlovian |
Microconcentrica |
Microconcentrica atava
|
USSR(Russian Platform) |
Cambrian |
Ludlovian |
Microconcentrica |
Microconcentrica atava
|
USSR(Pre-Baltic) |
Cambrian |
Ludlovian |
Microconcentrica |
Microconcentrica orbiculata
|
USSR(Russian Platform) |
Cambrian |
Ludlovian |
Microconcentrica |
Microconcentrica orbiculata
|
USSR(Pre-Baltic) |
Cambrian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium bifurcatum
|
USSR(Russian Platform) |
Tremadocian |
|