Hystrichosphaeridium |
Hystrichosphaeridium lacunosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium lairdii
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium leonardianum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium leptodermum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium lewisii
|
France |
Late Couvinian |
|
Hystrichosphaeridium |
Hystrichosphaeridium lobospinosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium longifurcatum
|
France(Aisne) |
Early Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosoides
|
W.Germany(Bavaria) |
Middle Devonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosum
|
England(Shropshire) |
Tremadocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium longofilum
|
W.Germany |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium lucidum
|
France(Finistere) |
Caradocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium machaerophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium macrotubulum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium major
|
Nd |
Nd |
Nd |
Hystrichosphaeridium |
Hystrichosphaeridium majus
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium malleoferum
|
England |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium mariannae
|
France |
Late Cretaceous |
|