Filisphaeridium |
Filisphaeridium
|
Canada(Alberta) |
Scythian |
Anisian |
Gorgonisphaeridium |
Gorgonisphaeridium
|
Canada(Alberta) |
Early Mississippian |
|
Leiosphaeridia |
Leiosphaeridia fastigatirugosa
sp. nov. |
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium canadense
sp. nov. |
Canada(Alberta) |
Late Cambrian |
|
Retisphaeridium |
Retisphaeridium dichamerum
sp. nov. |
Canada(Alberta) |
Middle Cambrian |
|
Filisphaeridium |
Filisphaeridium setasessitante
|
Canada(Alberta) |
Scythian |
Anisian |
Gorgonisphaeridium |
Gorgonisphaeridium winslowiae
sp. nov. |
Canada(Alberta) |
Early Mississippian |
|
Gorgonisphaeridium |
Gorgonisphaeridium spicatum
|
Canada(Alberta) |
Frasnian |
|
Micrhystridium |
Micrhystridium setasessitante
|
Canada(Alberta) |
Scythian |
Anisian |
Multiplicisphaeridium |
Multiplicisphaeridium spicatum
|
Canada(Alberta) |
Frasnian |
|
Poikilofusa |
Poikilofusa
|
Canada(Quebec) |
Middle Ordovician |
|
Protoleiosphaeridium |
Protoleiosphaeridium
|
Canada(Quebec) |
Middle Ordovician |
|
Retisphaeridium |
Retisphaeridium
|
Canada(Quebec) |
Middle Ordovician |
|
Solisphaeridium |
Solisphaeridium
|
Canada(Quebec) |
Middle Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium bifurcatum
sp. nov. |
Canada(Quebec) |
Middle Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium irregulare
sp. nov. |
Canada(Quebec) |
Middle Ordovician |
|
Solisphaeridium |
Solisphaeridium stimuliferum
|
Canada(Quebec) |
Middle Ordovician |
|