Acanthaulax |
Acanthaulax acanthosphaera
|
Nd |
Early Oxfordian |
|
Acanthaulax |
Acanthaulax paliuros
|
Nd |
Oxfordian |
|
Acanthaulax |
Acanthaulax venusta
|
Nd |
Late Oxfordian |
Kimmeridgian |
Achomosphaera |
Achomosphaera alcicornu
|
Nd |
Early Eocene |
Middle Miocene |
Achomosphaera |
Achomosphaera grallaeformis
|
Nd |
Late Oligocene |
|
Achomosphaera |
Achomosphaera hirundo
|
Nd |
Late Aptian |
|
Achomosphaera |
Achomosphaera neptuni
|
Nd |
Middle Hauterivian |
Aptian |
Achomosphaera |
Achomosphaera ramulifera
|
Nd |
Cenomanian |
Middle Miocene |
Achomosphaera |
Achomosphaera sagena
|
Nd |
Cenomanian |
|
Achomosphaera |
Achomosphaera triangulata
|
Nd |
Middle Oligocene |
Middle Miocene |
Actiniscus |
Actiniscus discus
|
Nd |
Late Neogene |
|
Actiniscus |
Actiniscus elegans
|
Nd |
Late Neogene |
|
Actiniscus |
Actiniscus heptagonus
|
Nd |
Late Neogene |
|
Actiniscus |
Actiniscus pentasterias
|
Nd |
Late Neogene |
|
Actiniscus |
Actiniscus rota
|
Nd |
Late Neogene |
|
Actiniscus |
Actiniscus sirius
|
Nd |
Early Miocene |
Late Miocene |
Actiniscus |
Actiniscus stella
|
Nd |
Early Miocene |
Late Neogene |