Hystrichosphaeridium |
Hystrichosphaeridium corollatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium crassipes
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cribrotubiferum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cristatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cruciatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium danicum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium deflandrei
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium denticulatum
|
France |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium dictyophorum
|
New Guinea(Papua) |
Late Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium differtum
|
W.Germany(Bavaria) |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium digitatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium dignum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium diploporum
|
USSR(Estonian SSR) |
Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium dissimilare
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium divergens
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium echinoides
|
Nd |
Nd |
|