Leiosphaeridia |
Leiosphaeridia fastigatirugosa
sp. nov. |
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia major
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia microsaetosa
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium crassiechinatum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium octospinosum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium vigintispinum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium ramispinosum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium spicatum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium truncatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium cryptogranulosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium diaphanium
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium major
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium microsaetosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium orbiculatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium papillatum
|
Canada(Alberta) |
Late Devonian |
|