Crassitudisporites |
Crassitudisporites problematicus
sp. nov. |
Canada(NWT,Mackenzie) |
Kimmeridgian |
Berriasian |
Crassulina |
Crassulina sp. Reyr.,1965
sp. nov. |
Canada(NWT,Mackenzie) |
Kimmeridgian |
Hauterivian |
Crybelosporites |
Crybelosporites sp. Kemp,1970
sp. nov. |
Canada(NWT,Mackenzie) |
Kimmeridgian |
Hauterivian |
Crybelosporites |
Crybelosporites vectensis
|
Canada(NWT,Mackenzie) |
Kimmeridgian |
Hauterivian |
Crybelosporites |
Crybelosporites vectensis
|
England |
Early Aptian |
Early Albian |
Cryptogramma |
Cryptogramma cotidiana
sp. nov. |
Nd |
Nd |
|
Cryptogramma |
Cryptogramma tuberculata
sp. nov. |
USSR(Moscow) |
Aptian |
|
Cupressacites |
Cupressacites subgranulatus
|
Nd |
Nd |
|
Cyatheacidites |
Cyatheacidites verrucosus
sp. nov. |
Nd |
Nd |
|
Cyathidites |
Cyathidites
|
Nd |
Nd |
|
Cyathidites |
Cyathidites asper
|
Nd |
Nd |
|
Cyathidites |
Cyathidites australis
|
Canada(NWT,Mackenzie) |
Kimmeridgian |
Hauterivian |
Cyathidites |
Cyathidites chagrenatus
|
W.Germany(N.Rhine) |
Middle Devonian |
Early Carboniferous |
Cyathidites |
Cyathidites concavus
|
Canada(NWT,Mackenzie) |
Kimmeridgian |
Hauterivian |
Cyathidites |
Cyathidites concavus
|
Nd |
Nd |
|
Cyathidites |
Cyathidites cutchensis
|
India(Kutch) |
Wealden |
|
Cyathidites |
Cyathidites fortivallatus
|
W.Germany(N.Rhine) |
Middle Devonian |
Early Carboniferous |