Muderongia |
Muderongia pannosa
sp. nov. |
England(Yorkshire) |
Middle Barremian |
|
Muderongia |
Muderongia simplex
|
England(Yorkshire) |
Early Barremian |
|
Muderongia |
Muderongia staurota
|
England(Yorkshire) |
Barremian |
|
Occisucysta |
Occisucysta tentorium
|
England(Yorkshire) |
Barremian |
|
Odontochitina |
Odontochitina operculata
|
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Odontochitina |
Odontochitina sp.A Albe.,1961
sp. nov. |
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Oligosphaeridium |
Oligosphaeridium complex
|
England(Yorkshire) |
Barremian |
|
Oligosphaeridium |
Oligosphaeridium fenestratum
sp. nov. |
England(Yorkshire) |
Middle Barremian |
|
Oligosphaeridium |
Oligosphaeridium perforatum
|
England(Yorkshire) |
Barremian |
|
Oligosphaeridium |
Oligosphaeridium prolixispinosum
|
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Oligosphaeridium |
Oligosphaeridium prolixispinosum
|
Germany |
Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium prolixispinosum
|
England(Surrey) |
Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Palaeohystrichophora |
Palaeohystrichophora paucispina
|
England(Yorkshire) |
Middle Barremian |
|
Palaeohystrichophora |
Palaeohystrichophora paucispina
|
E.Germany |
Albian |
|
Palaeoperidinium |
Palaeoperidinium cretaceum
|
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Perisseiasphaeridium |
Perisseiasphaeridium eisenackii
|
England(Yorkshire) |
Early Barremian |
Middle Barremian |