Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Europe |
Callovian |
Early Kimmeridgian |
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
Europe |
Bathonian |
Late Portlandian |
Adnatosphaeridium |
Adnatosphaeridium filamentosum
|
Europe |
Callovian |
Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Europe |
Bathonian |
Late Portlandian |
Chytroeisphaeridia |
Chytroeisphaeridia pocockii
|
Europe |
Bathonian |
Late Portlandian |
Cleistosphaeridium |
Cleistosphaeridium polyacanthum
|
Europe |
Callovian |
Kimmeridgian |
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
Europe |
Bathonian |
Late Portlandian |
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Europe |
Callovian |
Kimmeridgian |
Compositosphaeridium |
Compositosphaeridium costatum
|
Europe |
Bathonian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta cladophora
|
Europe |
Bathonian |
Early Portlandian |
Gonyaulacysta |
Gonyaulacysta dangeardii
|
Europe |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta eisenackii
|
Europe |
Callovian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Europe |
Callovian |
Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta nuciformis
|
Europe |
Callovian |
Early Portlandian |
Gonyaulacysta |
Gonyaulacysta scarburghensis
|
Europe |
Callovian |
Oxfordian |
Heslertonia |
Heslertonia teichophera
|
Europe |
Callovian |
Oxfordian |
Kalyptea |
Kalyptea diceras
|
Europe |
Bathonian |
Early Portlandian |