Baltisphaeridium |
Baltisphaeridium pustulatum
sp. nov. |
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium regnellii
sp. nov. |
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trabeculaespinae
|
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium uncinatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium varsoviense
|
Sweden |
Middle Ordovician |
|
Elektoriskos |
Elektoriskos pogonius
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium mochtiense
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium mochtiense
|
Poland |
Early Caradocian |
|
Goniosphaeridium |
Goniosphaeridium multipustulosum
sp. nov. |
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium uncinatum
|
Sweden |
Middle Ordovician |
|
Goniosphaeridium |
Goniosphaeridium uncinatum
|
England(Shropshire) |
Tremadocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosum
|
Sweden |
Middle Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium longispinosum
|
England(Shropshire) |
Tremadocian |
|
Micrhystridium |
Micrhystridium chiggerum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium uncinatum
|
Nd |
Nd |
|
Orthosphaeridium |
Orthosphaeridium densigranosum
sp. nov. |
Sweden |
Middle Ordovician |
|
Orthosphaeridium |
Orthosphaeridium densiverrucosum
sp. nov. |
Sweden |
Middle Ordovician |
|