Systematophora |
Systematophora orbifera
|
Nd |
Middle Oxfordian |
|
Systematophora |
Systematophora ovata
|
Nd |
Kimmeridgian |
|
Systematophora |
Systematophora placacantha
|
Nd |
Miocene |
|
Systematophora |
Systematophora schindewolfii
|
Nd |
Late Barremian |
Turonian |
Systematophora |
Systematophora turonica
|
Nd |
Turonian |
|
Systematophora |
Systematophora valensii
|
Nd |
Late Oxfordian |
|
Taeniophora |
Taeniophora iunctispina
|
Nd |
Middle Oxfordian |
|
Taeniophora |
Taeniophora iunctispina
|
Nd |
Middle Oxfordian |
|
Taeniophora |
Taeniophora iunctispina
|
Nd |
Cenomanian |
Early Eocene |
Taeniophora |
Taeniophora linifera
|
Nd |
Late Paleocene |
|
Tanyosphaeridium |
Tanyosphaeridium ellipticum
|
Nd |
Late Eocene |
|
Tanyosphaeridium |
Tanyosphaeridium isocalamum
|
Nd |
Early Cretaceous |
|
Tanyosphaeridium |
Tanyosphaeridium magdalium
|
Nd |
Danian |
|
Tanyosphaeridium |
Tanyosphaeridium paradoxum
|
Nd |
Late Oligocene |
|
Tanyosphaeridium |
Tanyosphaeridium regulare
|
Nd |
Early Eocene |
|
Tanyosphaeridium |
Tanyosphaeridium tenerum
|
Nd |
Middle Oligocene |
Late Oligocene |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Nd |
Cenomanian |
|