Multiplicisphaeridium |
Multiplicisphaeridium ramispinosum
|
Canada(Alberta) |
Late Devonian |
|
Veryhachium |
Veryhachium sedecimspinosum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium spicatum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium truncatum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium vigintispinum
|
Canada(Alberta) |
Late Devonian |
|
Veryhachium |
Veryhachium duodeciaster
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium cryptogranulosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium diaphanium
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium microgranifer
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium microsaetosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium major
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium orbiculatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium papillatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium parvigranulosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium sericum
|
Canada(Ontario) |
Early Devonian |
|