Micrhystridium |
Micrhystridium roquestii
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium sannemannii
|
Canada |
Middle Devonian |
|
Micrhystridium |
Micrhystridium scutospinum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium sericum
|
Canada(Ontario) |
Early Devonian |
|
Micrhystridium |
Micrhystridium shinetonense
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium singulare
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium sydus
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium tenuissimum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium tenuissimum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium tenuissimum
|
Nd |
Paleozoic |
|
Micrhystridium |
Micrhystridium tetraxis
|
England(Yorkshire) |
Late Oxfordian |
|
Micrhystridium |
Micrhystridium tomaeeuse
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium variabile
|
Nd |
Paleozoic |
|