Meiourogonyaulax |
Meiourogonyaulax sp
|
England(Lincolnshire) |
Late Barremian |
|
Meiourogonyaulax |
Meiourogonyaulax sp
|
England(Surrey) |
Late Barremian |
|
Mendicodinium |
Mendicodinium rugarum
|
W.Germany(Niedersachsen) |
Late Barremian |
|
Micrhystridium |
Micrhystridium sp.I
sp. nov. |
England(Surrey) |
Late Barremian |
|
Micrhystridium |
Micrhystridium sp.II
sp. nov. |
England(Surrey) |
Late Barremian |
|
Muderongia |
Muderongia crucis
|
W.Germany(Niedersachsen) |
Late Hauterivian |
Early Barremian |
Muderongia |
Muderongia crucis
|
England(Yorkshire) |
Late Hauterivian |
Early Barremian |
Muderongia |
Muderongia crucis
|
England(Norfolk) |
Barremian |
|
Muderongia |
Muderongia jugum
|
England(Surrey) |
Late Barremian |
|
Muderongia |
Muderongia simplex
|
England(Lincolnshire) |
Hauterivian |
|
Muderongia |
Muderongia staurota
|
W.Germany(Niedersachsen) |
Early Barremian |
|
Muderongia |
Muderongia staurota
|
England(Yorkshire) |
Barremian |
|
Nannoceratopsis |
Nannoceratopsis sp
|
England(Surrey) |
Late Barremian |
|
Nexosispinum |
Nexosispinum vetusculum
|
W.Germany(Niedersachsen) |
Late Hauterivian |
Early Barremian |
Nexosispinum |
Nexosispinum vetusculum
|
England(Yorkshire) |
Late Hauterivian |
Early Barremian |
Nexosispinum |
Nexosispinum vetusculum
|
England(Norfolk) |
Hauterivian |
Early Barremian |
Nexosispinum |
Nexosispinum vetusculum
|
England(Lincolnshire) |
Late Hauterivian |
|