Conochitina |
Conochitina tuberculata
|
Finland |
Caradocian |
|
Coronochitina |
Coronochitina
|
USSR(Estonian SSR) |
Ordovician |
|
Coronochitina |
Coronochitina coronata
|
USSR(Estonian SSR) |
Ordovician |
|
Coronochitina |
Coronochitina coronata
|
E.Germany(Potsdam) |
Ordovician |
|
Coronochitina |
Coronochitina coronata
|
Finland |
Caradocian |
|
Cyathochitina |
Cyathochitina calix
|
USSR(Estonian SSR) |
Early Ordovician |
|
Cyathochitina |
Cyathochitina calix
|
Sweden |
Early Ordovician |
|
Cyathochitina |
Cyathochitina calix
|
Finland |
Caradocian |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Baltic |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
E.Germany(Potsdam) |
Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Sweden |
Early Ordovician |
Middle Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
Finland |
Caradocian |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Finland |
Caradocian |
|
Cymatiosphaera |
Cymatiosphaera sp
|
Baltic |
Ordovician |
|
Cymatiosphaera |
Cymatiosphaera sp
|
Sweden |
Early Ordovician |
Middle Ordovician |
Desmochitina |
Desmochitina complanata
|
USSR(Estonian SSR) |
Caradocian |
|
Desmochitina |
Desmochitina complanata
|
E.Germany(Potsdam) |
Ordovician |
|