Baltisphaeridium |
Baltisphaeridium pachyacanthum
|
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium plicatispinae
|
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium ritvae
|
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium varsoviense
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium christianii
sp. nov. |
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium conjunctum
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium connectum
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium makrosphaericum
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium mochtiense
|
Sweden |
Middle Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium hirsutoides
|
Sweden |
Middle Ordovician |
|
Lophosphaeridium |
Lophosphaeridium agudisimum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium alloiteauii
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium hamatum
|
Sweden |
Middle Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium alloiteauii
|
Sweden |
Middle Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium groetlingboense
|
Sweden |
Middle Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium nudum
|
Sweden |
Middle Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Sweden |
Middle Ordovician |
|