Baltisphaeridium |
Baltisphaeridium trifurcatum
|
Finland |
Caradocian |
|
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
E.Germany(Potsdam) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
Finland |
Caradocian |
|
Conochitina |
Conochitina
|
Nd |
Nd |
|
Conochitina |
Conochitina cactacea
|
USSR(Estonian SSR) |
Caradocian |
|
Conochitina |
Conochitina cactacea
|
E.Germany(Potsdam) |
Ordovician |
|
Conochitina |
Conochitina cactacea
|
Sweden |
Early Ordovician |
Middle Ordovician |
Conochitina |
Conochitina coronata
|
Nd |
Nd |
|
Conochitina |
Conochitina elegans
|
USSR(Estonian SSR) |
Caradocian |
|
Conochitina |
Conochitina elegans
|
E.Germany(Potsdam) |
Ordovician |
|
Conochitina |
Conochitina elegans
|
Finland |
Caradocian |
|
Conochitina |
Conochitina elegans
|
E.Germany(Potsdam) |
Ordovician |
|
Conochitina |
Conochitina fungiformis
|
USSR(Estonian SSR) |
Early Ordovician |
Late Ordovician |
Conochitina |
Conochitina fungiformis
|
E.Germany(Potsdam) |
Ordovician |
|
Conochitina |
Conochitina fungiformis
|
Sweden |
Early Ordovician |
Middle Ordovician |
Conochitina |
Conochitina fungiformis
|
Finland |
Caradocian |
|
Conochitina |
Conochitina incerta
|
USSR(Estonian SSR) |
Caradocian |
|