Actiniscus |
Actiniscus tetrasterias
|
Nd |
Early Miocene |
Late Miocene |
Actinotheca |
Actinotheca aphroditae
|
Nd |
Turonian |
|
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Nd |
Late Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium apiculatum
|
Nd |
Tithonian |
Hauterivian |
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
Nd |
Late Bathonian |
|
Adnatosphaeridium |
Adnatosphaeridium chonetum
|
Nd |
Cenomanian |
|
Adnatosphaeridium |
Adnatosphaeridium filamentosum
|
Nd |
Late Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium filiferum
|
Nd |
Cenomanian |
Maastrichtian |
Adnatosphaeridium |
Adnatosphaeridium multispinosum
|
Nd |
Early Eocene |
|
Adnatosphaeridium |
Adnatosphaeridium patulum
|
Nd |
Early Eocene |
|
Adnatosphaeridium |
Adnatosphaeridium vittatum
|
Nd |
Early Eocene |
|
Amphidiadema |
Amphidiadema denticulata
|
Nd |
Cenomanian |
Campanian |
Aptea |
Aptea polymorpha
|
Nd |
Middle Aptian |
Middle Aptian |
Apteodinium |
Apteodinium ciliatum
|
Nd |
Nd |
|
Apteodinium |
Apteodinium conjunctum
|
Nd |
Aptian |
|
Apteodinium |
Apteodinium grande
|
Nd |
Late Albian |
Cenomanian |
Apteodinium |
Apteodinium granulatum
|
Nd |
Valanginian |
Cenomanian |