Acanthaulax |
Acanthaulax acanthosphaera
|
England |
Early Oxfordian |
|
Acanthaulax |
Acanthaulax acanthosphaera
|
Nd |
Oxfordian |
|
Acanthaulax |
Acanthaulax paliuros
|
Nd |
Oxfordian |
|
Acanthaulax |
Acanthaulax spinosissima
|
Nd |
Callovian |
Oxfordian |
Acanthaulax |
Acanthaulax venusta
|
Nd |
Bajocian |
Kimmeridgian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
England |
Early Oxfordian |
|
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Nd |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
England |
Middle Callovian |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
Nd |
Bathonian |
Portlandian |
Adnatosphaeridium |
Adnatosphaeridium filamentosum
|
Nd |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium paucispinum
|
Nd |
Oxfordian |
Kimmeridgian |
Amphorula |
Amphorula metaelliptica
|
Nd |
Kimmeridgian |
|
Apteodinium |
Apteodinium granulatum
|
Nd |
Kimmeridgian |
Portlandian |
Archeotectatum |
Archeotectatum sarjeantii
|
Nd |
Callovian |
Oxfordian |
Baltisphaeridium |
Baltisphaeridium debilispinum
|
Nd |
Carnian |
Toarcian |
Baltisphaeridium |
Baltisphaeridium eypense
|
Nd |
Pliensbachian |
|
Baltisphaeridium |
Baltisphaeridium infulatum
|
Nd |
Pliensbachian |
Toarcian |