Baltisphaeridium |
Baltisphaeridium fimbriatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium granulosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium heteracanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium liniferum
|
Australia(Victoria) |
Late Paleocene |
|
Baltisphaeridium |
Baltisphaeridium striolatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium whiteii
|
Nd |
Nd |
|
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
England(Yorkshire) |
Hauterivian |
Middle Barremian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
France |
Turonian |
Senonian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
England(Surrey) |
Cenomanian |
|
Cannosphaeropsis |
Cannosphaeropsis aemula
|
Australia(W.Australia) |
Late Jurassic |
|
Cannosphaeropsis |
Cannosphaeropsis apiculata
|
Australia(W.Australia) |
Tithonian |
|
Cannosphaeropsis |
Cannosphaeropsis apiculata
|
Australia(W.Australia) |
Neocomian |
|
Cannosphaeropsis |
Cannosphaeropsis caulleryi
|
Nd |
Nd |
|
Cannosphaeropsis |
Cannosphaeropsis densa
|
Australia(W.Australia) |
Albian |
Cenomanian |
Cannosphaeropsis |
Cannosphaeropsis densiradiata
|
Australia(W.Australia) |
Cenomanian |
|
Cannosphaeropsis |
Cannosphaeropsis elegantula
|
California |
Danian |
|
Cannosphaeropsis |
Cannosphaeropsis fenestrata
|
Australia(W.Australia) |
Late Turonian |
Middle Senonian |