Cyathochitina |
Cyathochitina hyalophrys
|
Asia |
Caradocian |
|
Cyathochitina |
Cyathochitina hymenophora
|
Europe |
Caradocian |
|
Cyathochitina |
Cyathochitina hymenophora
|
Africa |
Caradocian |
|
Cyathochitina |
Cyathochitina infundibuliformis
|
Africa |
Devonian |
|
Cyathochitina |
Cyathochitina kourneidaensis
|
Europe |
Llandoverian |
Ludlovian |
Cyathochitina |
Cyathochitina kourneidaensis
|
Europe |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina kourneidaensis
|
North America |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina kourneidaensis
|
Asia |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina kuckersiana
|
Africa |
Frasnian |
Famennian |
Cyathochitina |
Cyathochitina kuckersiana
|
Africa |
Caradocian |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Africa |
Middle Gothlandian |
|
Cyathochitina |
Cyathochitina makromyka
|
North America |
Caradocian |
|
Cyathochitina |
Cyathochitina makromyka
|
Asia |
Caradocian |
|
Cyathochitina |
Cyathochitina novempopulanica
|
Europe |
Caradocian |
|
Cyathochitina |
Cyathochitina obtusa
|
Africa |
Early Gothlandian |
Early Devonian |
Cyathochitina |
Cyathochitina regnelli
|
Europe |
Llanvirnian |
|
Cyathochitina |
Cyathochitina stentor
|
Europe |
Caradocian |
|