Hystrichosphaeridium |
Hystrichosphaeridium stimuliferum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium striatoconum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium striolatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium sylhetii
|
India(Assam) |
Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium tenuicapillatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tiara
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium toryna
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium toryna
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tridactylites
|
France(Cher) |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium trispinosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium trisulcum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium truncigerum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tshunense
|
USSR |
Middle Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium tuberatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tuberosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Nd |
Nd |
|