Batiacasphaera |
Batiacasphaera rotundata
|
Australia(Victoria) |
Senonian |
|
Batiacasphaera |
Batiacasphaera taugourdeaui
|
India |
Eocene |
Oligocene |
Batiacasphaera |
Batiacasphaera torulosa
|
France |
Late Albian |
Early Cenomanian |
Batiacasphaera |
Batiacasphaera verrucosa
|
Canada(Arctic) |
Middle Jurassic |
Early Cretaceous |
Batiacasphaera |
Batiacasphaera villersensis
|
France |
Callovian |
Early Oxfordian |
Batioladinium |
Batioladinium exiguum
|
Nd |
Nd |
|
Batioladinium |
Batioladinium jaegeri
|
Nd |
Nd |
|
Batioladinium |
Batioladinium longicornutum
sp. nov. |
W.Germany |
Late Barremian |
|
Batioladinium |
Batioladinium micropodum
|
W.Germany |
Aptian |
|
Batioladinium |
Batioladinium pelliferum
|
Nd |
Nd |
|
Broomea |
Broomea exigua
|
Canada(Arctic) |
Late Kimmeridgian |
Early Albian |
Broomea |
Broomea exigua
|
E.Germany |
Late Hauterivian |
|
Broomea |
Broomea gochtii
|
Canada(Arctic) |
Late Kimmeridgian |
Early Albian |
Broomea |
Broomea gochtii
|
E.Germany |
Valanginian |
Hauterivian |
Broomea |
Broomea jaegeri
|
W.Germany |
Aptian |
|
Broomea |
Broomea jaegeri
|
E.Germany |
Late Barremian |
|
Broomea |
Broomea jaegeri
|
Canada(Arctic) |
Aptian |
|