Hystrichosphaeridium |
Hystrichosphaeridium israelianum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium kiowanum
|
Nd |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium langii
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium latirictum
|
Nd |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium leonardianum
|
Nd |
Early Permian |
|
Hystrichosphaeridium |
Hystrichosphaeridium leptodermum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium lobospinosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium longifurcatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium longofilum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium machaerophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium macrotubulum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium magdalium
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium magnarmatum
|
Nd |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium majus
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium mantellii
|
Nd |
Early Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium marsupium
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium microtriainum
|
Nd |
Nd |
|