Ladogella |
Ladogella sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Micrhystridium |
Micrhystridium sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Polygonium |
Polygonium sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Priscotheca |
Priscotheca notata
sp. nov. |
USSR(Estonian SSR) |
Early Tremadocian |
|
Priscotheca |
Priscotheca tumida
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Pterospermella |
Pterospermella sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Stelliferidium |
Stelliferidium cortinulum
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Stelliferidium |
Stelliferidium sp
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Trachydiacrodium |
Trachydiacrodium coarctatum
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Trichosphaeridium |
Trichosphaeridium annolovaense
|
USSR(Estonian SSR) |
Early Tremadocian |
|
Trichosphaeridium |
Trichosphaeridium hirtum
|
USSR(Estonian SSR) |
Early Tremadocian |
|