Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pellicidum
|
Poland |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium porrectum
|
Poland |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pungens
|
Poland |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium solitare
|
Poland |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium sp
|
Poland |
Cambrian |
Early Ordovician |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium zalesskyi
|
Poland |
Early Ordovician |
|
Bothroligotriletes |
Bothroligotriletes exasperatus
|
Poland |
Precambriam |
Early Ordovician |
Dasydiacrodium |
Dasydiacrodium ordovicum
sp. nov. |
Poland |
Tremadocian |
|
Dasyrytidodiacrodium |
Dasyrytidodiacrodium mutilatum
|
Poland |
Tremadocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium aculeatum
|
Poland |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium arrectum
|
Poland |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium brevispinosum
|
Poland |
Early Tremadocian |
Early Ashgillian |
Hystrichosphaeridium |
Hystrichosphaeridium cognitum
|
Poland |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium hippocrepicum
|
Poland |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium hirsutoides
|
Poland |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosum
|
Poland |
Late Cambrian |
Early Ordovician |
Hystrichosphaeridium |
Hystrichosphaeridium maximum
|
Poland |
Early Ordovician |
|