Acanthodiacrodium |
Acanthodiacrodium abortivum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium abortivum
|
USSR(Pre-Baltic) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium adelphicum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium adelphicum
|
USSR(Pre-Baltic) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium marginata
|
USSR(Russian Platform) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium marginata
|
USSR(Pre-Baltic) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium microspinosa
|
USSR(Russian Platform) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium microspinosa
|
USSR(Pre-Baltic) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium polimorphum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium polimorphum
|
USSR(Pre-Baltic) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium rigida
|
USSR(Russian Platform) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium rigida
|
USSR(Pre-Baltic) |
Tremadocian |
Early Wenlockian |
Acanthodiacrodium |
Acanthodiacrodium rugosum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium rugosum
|
USSR(Pre-Baltic) |
Tremadocian |
|
Archaeodiscina |
Archaeodiscina sp
|
USSR(Russian Platform) |
Tremadocian |
Caradocian |
Archaeodiscina |
Archaeodiscina sp
|
USSR(Russian Platform) |
Ludlovian |
|
Archaeodiscina |
Archaeodiscina sp
|
USSR(Pre-Baltic) |
Tremadocian |
Caradocian |