Hystrichosphaera |
Hystrichosphaera furcata
|
Nd |
Senonian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
Nd |
Senonian |
|
Hystrichosphaera |
Hystrichosphaera speciosa
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
Nd |
Silurian |
Tertiary |
Hystrichosphaeridium |
Hystrichosphaeridium armatum
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
Nd |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium clavigerum
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ehrenbergii
|
Nd |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium flosculus
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosum
|
Nd |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pseudhystrichodinium
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Nd |
Jurassic |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Nd |
Tertiary |
|
Hystrichosphaeridium |
Hystrichosphaeridium stimuliferum
|
Nd |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium striolatum
|
Nd |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
Baltic |
Silurian |
|