Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Scotland(Kincardine) |
Callovian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England(Yorkshire) |
Late Bathonian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England(Dorset) |
Callovian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
W.Germany(Niedersachsen) |
Late Callovian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Netherlands |
Late Callovian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
W.Germany(Bavaria) |
Callovian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Switzerland |
Callovian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
France(Herault) |
Early Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Greenland |
Late Callovian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England(Lincolnshire) |
Late Bathonian |
Early Oxfordian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England(Nottinghamshire) |
Late Bathonian |
Early Oxfordian |
Systematophora |
Systematophora penicillata
|
England(Yorkshire) |
Callovian |
Early Oxfordian |
Systematophora |
Systematophora penicillata
|
England(Dorset) |
Late Bathonian |
Callovian |
Systematophora |
Systematophora penicillata
|
Netherlands |
Callovian |
|
Systematophora |
Systematophora penicillata
|
W.Germany(Niedersachsen) |
Callovian |
|
Systematophora |
Systematophora penicillata
|
Switzerland |
Early Oxfordian |
|
Systematophora |
Systematophora penicillata
|
W.Germany(Bavaria) |
Early Oxfordian |
|