Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Sweden |
Maastrichtian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Sweden |
Maastrichtian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
France(Paris Basin) |
Turonian |
Campanian |
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
England |
Santonian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Germany |
Campanian |
Early Danian |
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Netherlands |
Maastrichtian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Denmark |
Maastrichtian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis wetzelii
|
France(Paris Basin) |
Coniacian |
Campanian |
Hystrichosphaeropsis |
Hystrichosphaeropsis wetzelii
|
Belgium |
Maastrichtian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis wetzelii
|
Sweden |
Maastrichtian |
|
Isabelia |
Isabelia bakeri
|
France(Paris Basin) |
Campanian |
|
Isabelia |
Isabelia bakeri
|
Germany |
Early Danian |
|
Isabelia |
Isabelia cooksoniae
|
France(Paris Basin) |
Turonian |
Santonian |
Isabelia |
Isabelia cooksoniae
|
England |
Santonian |
|
Isabelia |
Isabelia cooksoniae
|
Netherlands |
Campanian |
Maastrichtian |
Isabelia |
Isabelia cooksoniae
|
Denmark |
Campanian |
Maastrichtian |
Isabelia |
Isabelia cooksoniae
|
Sweden |
Maastrichtian |
|