Kallosphaeridium |
Kallosphaeridium minus
|
England(Cambridgeshire) |
Early Cenomanian |
|
Kallosphaeridium |
Kallosphaeridium ringnesiorum
|
Canada(NWT,Franklin) |
Albian |
Turonian |
Meiourogonyaulax |
Meiourogonyaulax dicrypta
|
Nd |
Nd |
|
Muderongia |
Muderongia australis
sp. nov. |
Australia(Offshore) |
Middle Hauterivian |
Barremian |
Muderongia |
Muderongia crucis
|
Nd |
Hauterivian |
Barremian |
Muderongia |
Muderongia imparilis
|
Australia(Offshore) |
Middle Hauterivian |
|
Muderongia |
Muderongia mcwhaei
|
Australia(Offshore) |
Middle Hauterivian |
Barremian |
Muderongia |
Muderongia mcwhaei
|
Australia(S.Australia) |
Aptian |
|
Muderongia |
Muderongia mcwhaei
|
Nd |
Nd |
|
Muderongia |
Muderongia simplex
|
Australia(Offshore) |
Middle Hauterivian |
Barremian |
Muderongia |
Muderongia sp
sp. nov. |
Australia(Offshore) |
Late Kimmeridgian |
Portlandian |
Muderongia |
Muderongia sp
sp. nov. |
Australia(Offshore) |
Middle Hauterivian |
|
Muderongia |
Muderongia testudinaria
|
Australia(Offshore) |
Middle Hauterivian |
|
Muderongia |
Muderongia tetracantha
|
Nd |
Hauterivian |
Barremian |
Muderongia |
Muderongia tomaszowensis
|
Australia(Offshore) |
Middle Neocomian |
Late Neocomian |
Palaeohystrichophora |
Palaeohystrichophora brevispinosa
|
Canada(W.Canada) |
Aptian |
|
Phoberocysta |
Phoberocysta
|
Nd |
Nd |
|