Micrhystridium |
Micrhystridium echinosum
|
Nd |
Late Devonian |
|
Micrhystridium |
Micrhystridium echinulatum
|
Nd |
Sinian |
Early Cambrian |
Micrhystridium |
Micrhystridium ellaense
|
Nd |
Early Cambrian |
|
Micrhystridium |
Micrhystridium ellipticum
|
Nd |
Early Cambrian |
|
Micrhystridium |
Micrhystridium elongatum
|
Nd |
Late Devonian |
|
Micrhystridium |
Micrhystridium embergeri
|
Nd |
Famennian |
|
Micrhystridium |
Micrhystridium equispinosum
|
Nd |
Soudleyan |
Onnian |
Micrhystridium |
Micrhystridium erugatum
|
Nd |
Early Mississippian |
|
Micrhystridium |
Micrhystridium escobaides
|
Nd |
Middle Siegenian |
Emsian |
Micrhystridium |
Micrhystridium estrellitae
|
Nd |
Ludlovian |
|
Micrhystridium |
Micrhystridium eupeplos
|
Nd |
Bajocian |
|
Micrhystridium |
Micrhystridium exiguum
|
Nd |
Tremadocian |
|
Micrhystridium |
Micrhystridium exilissimum
|
Nd |
Bajocian |
|
Micrhystridium |
Micrhystridium exilium
|
Nd |
Early Jurassic |
|
Micrhystridium |
Micrhystridium filiferum
|
Nd |
Tremadocian |
|
Micrhystridium |
Micrhystridium filigerum
|
Nd |
Bajocian |
Bathonian |
Micrhystridium |
Micrhystridium fissile
|
Nd |
Tarannon |
|