Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
Nd |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
Nd |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
W.Germany(Bavaria) |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
France(Herault) |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium capillare
|
Nd |
Late Triassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium castanea
|
Nd |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium circumscissum
|
Nd |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium classicum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium claviculorum
|
Nd |
Late Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium claviferum
|
Nd |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium cognitum
|
Nd |
Early Ordovician |
Middle Ordovician |
Hystrichosphaeridium |
Hystrichosphaeridium coniferum
|
Nd |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium conspicuum
|
Nd |
Late Cambrian |
|
Hystrichosphaeridium |
Hystrichosphaeridium corollatum
|
Nd |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium cristatum
|
Nd |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium cruciatum
|
Nd |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium denticulatum
|
Nd |
Nd |
|