Muderongia |
Muderongia staurota
|
North Sea |
Late Hauterivian |
Early Aptian |
Muderongia |
Muderongia tetracantha
|
North Sea |
Valanginian |
Early Barremian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
United Kingdom |
Valanginian |
Hauterivian |
Nematosphaeropsis |
Nematosphaeropsis scala
|
North Sea |
Valanginian |
Hauterivian |
Nexosispinum |
Nexosispinum vetusculum
|
United Kingdom |
Hauterivian |
Early Barremian |
Occisucysta |
Occisucysta tentorium
|
United Kingdom |
Aptian |
Early Albian |
Odontochitina |
Odontochitina costata
|
United Kingdom |
Santonian |
Early Maastrichtian |
Odontochitina |
Odontochitina cribropoda
|
United Kingdom |
Coniacian |
|
Odontochitina |
Odontochitina operculata
|
North Sea |
Barremian |
Maastrichtian |
Odontochitina |
Odontochitina operculata
|
North Sea |
Barremian |
Early Maastrichtian |
Odontochitina |
Odontochitina porifera
|
North Sea |
Cenomanian |
Campanian |
Odontochitina |
Odontochitina sp.A
sp. nov. |
North Sea |
Late Campanian |
Early Maastrichtian |
Oligosphaeridium |
Oligosphaeridium abaculum
|
United Kingdom |
Late Hauterivian |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
United Kingdom |
Early Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
United Kingdom |
Valanginian |
|
Oligosphaeridium |
Oligosphaeridium diluculum
|
North Sea |
Late Ryazanian |
Valanginian |
Ophiobolus |
Ophiobolus sp.A Dave.,1979
sp. nov. |
North Sea |
Late Hauterivian |
|