Micrhystridium |
Micrhystridium duvernayense
|
Canada |
Late Devonian |
|
Micrhystridium |
Micrhystridium sannemannii
|
Canada |
Middle Devonian |
|
Micrhystridium |
Micrhystridium duodeciaster
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia cryptogranulosa
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia papillata
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia parvigranulosa
|
Canada(Alberta) |
Late Devonian |
|
Lophosphaeridium |
Lophosphaeridium granulosum
sp. nov. |
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium echinosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium octospinosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium sedecimspinosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium spicatum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium spinoglobosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium truncatum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium vigintispinum
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia orbiculata
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia diaphania
|
Canada(Alberta) |
Late Devonian |
|