Cyathochitina |
Cyathochitina primitiva
|
Scandinavia |
Arenigian |
|
Cyathochitina |
Cyathochitina regnelli
|
Baltic |
Late Arenigian |
Early Llanvirnian |
Cyathochitina |
Cyathochitina regnelli
|
Scandinavia |
Late Arenigian |
Early Llanvirnian |
Cyathochitina |
Cyathochitina reticulifera
|
Nd |
Nd |
|
Cyathochitina |
Cyathochitina sebyensis
|
Baltic |
Late Llanvirnian |
|
Cyathochitina |
Cyathochitina sebyensis
|
Scandinavia |
Late Llanvirnian |
|
Desmochitina |
Desmochitina amphorea
|
Baltic |
Llanvirnian |
Early Caradocian |
Desmochitina |
Desmochitina amphorea
|
Scandinavia |
Llanvirnian |
Early Caradocian |
Desmochitina |
Desmochitina elongata
|
Baltic |
Late Arenigian |
Early Caradocian |
Desmochitina |
Desmochitina elongata
|
Scandinavia |
Late Arenigian |
Early Caradocian |
Desmochitina |
Desmochitina erinacea
|
Baltic |
Late Arenigian |
Early Caradocian |
Desmochitina |
Desmochitina erinacea
|
Scandinavia |
Late Arenigian |
Early Caradocian |
Desmochitina |
Desmochitina juglandiformis
|
Baltic |
Caradocian |
|
Desmochitina |
Desmochitina juglandiformis
|
Scandinavia |
Caradocian |
|
Desmochitina |
Desmochitina minor
|
Baltic |
Arenigian |
Ashgillian |
Desmochitina |
Desmochitina minor
|
Scandinavia |
Arenigian |
Ashgillian |
Desmochitina |
Desmochitina nodosa
|
Baltic |
Caradocian |
|