Stephodinium |
Stephodinium australicum
|
Nd |
Late Albian |
Cenomanian |
Stephodinium |
Stephodinium coronatum
|
Nd |
Coniacian |
Campanian |
Stephodinium |
Stephodinium europaicum
|
Nd |
Late Albian |
Cenomanian |
Stephodinium |
Stephodinium pellucidum
|
Nd |
Coniacian |
Campanian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Nd |
Late Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
Nd |
Cenomanian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
Nd |
Late Bathonian |
Oxfordian |
Svalbardella |
Svalbardella cooksoniae
|
Nd |
Late Danian |
Late Eocene |
Systematophora |
Systematophora areolata
|
Nd |
Kimmeridgian |
|
Systematophora |
Systematophora complicata
|
Nd |
Late Hauterivian |
Early Barremian |
Systematophora |
Systematophora fasciculigera
|
Nd |
Late Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora orbifera
|
Nd |
Late Oxfordian |
|
Systematophora |
Systematophora placacantha
|
Nd |
Nd |
|
Systematophora |
Systematophora schindewolfii
|
Nd |
Barremian |
Santonian |
Systematophora |
Systematophora turonica
|
Nd |
Turonian |
|
Systematophora |
Systematophora valensii
|
Nd |
Middle Oxfordian |
|
Taeniophora |
Taeniophora iunctispina
|
Nd |
Late Oxfordian |
Kimmeridgian |