Micrhystridium |
Micrhystridium breve
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium breviciliatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium bulbiferum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium castaninum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium chattonii
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium comatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium cometes
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium coronatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium cortracumense
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium crassiechinatum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium deflandrei
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium densispinum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium dictyophorum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium duodeciaster
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium duvernayense
|
Canada |
Late Devonian |
|
Micrhystridium |
Micrhystridium eatonense
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium echinoides
|
Nd |
Nd |
|