Desmochitina |
Desmochitina papilla
|
Finland |
Arenigian |
|
Desmochitina |
Desmochitina papilla
|
USSR(Estonian SSR) |
Late Arenigian |
|
Dicommopalla |
Dicommopalla macadamii
|
Finland |
Llandeilian |
Ashgillian |
Dicommopalla |
Dicommopalla macadamii
|
USSR(Estonian SSR) |
Llandeilian |
Ashgillian |
Dictyosphaeridium |
Dictyosphaeridium sp. Uute.,1989
sp. nov. |
Nd |
Nd |
|
Dictyosphaeridium |
Dictyosphaeridium sp. Uute.,1989
sp. nov. |
USSR(Estonian SSR) |
Llanvirnian |
Ashgillian |
Dictyotidium |
Dictyotidium dictyotum
|
Finland |
Tremadocian |
Pridolian |
Dictyotidium |
Dictyotidium polygonium
|
Finland |
Late Arenigian |
Wenlockian |
Dictyotidium |
Dictyotidium reticulatum
|
Finland |
Tremadocian |
Pridolian |
Dictyotidium |
Dictyotidium stenodictyum
|
Finland |
Llandoverian |
Pridolian |
Eisenackitina |
Eisenackitina oelandica
|
Finland |
Late Llanvirnian |
Early Caradocian |
Euconochitina |
Euconochitina conulus
|
Nd |
Nd |
|
Euconochitina |
Euconochitina micracantha
|
Nd |
Nd |
|
Euconochitina |
Euconochitina primitiva
|
Nd |
Nd |
|
Goniosphaeridium |
Goniosphaeridium mochtiense
|
Finland |
Late Arenigian |
Caradocian |
Goniosphaeridium |
Goniosphaeridium mochtiense
|
USSR(Estonian SSR) |
Late Arenigian |
Llanvirnian |
Goniosphaeridium |
Goniosphaeridium polygonale
|
Finland |
Late Arenigian |
Pridolian |