Hystrichosphaeridium |
Hystrichosphaeridium protellipticum
|
Kansas |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pseudorecurvatum
|
W.Germany |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium pseudorecurvatum
|
Australia(W.Australia) |
Early Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium radiculatum
|
England |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium raritanianum
|
New Jersey |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium readei
|
England |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Australia(W.Australia) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
France |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
England |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Belgium |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium replexum
|
Kansas |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium rhopalophorum
|
France(Cher) |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
W.Germany |
Early Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
W.Germany |
Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
England(Yorkshire) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
France |
Senonian |
|