Micrhystridium |
Micrhystridium gogense
|
Canada(Alberta) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium goldwyerense
|
Australia(W.Australia) |
Early Ordovician |
|
Micrhystridium |
Micrhystridium gordonense
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium gracile
|
Argentina |
Late Gothlandian |
|
Micrhystridium |
Micrhystridium gracile
|
France |
Middle Cretaceous |
|
Micrhystridium |
Micrhystridium granocentricum
|
Kentucky |
Early Gothlandian |
|
Micrhystridium |
Micrhystridium granospinosum
|
Iran |
Middle Jurassic |
Late Jurassic |
Micrhystridium |
Micrhystridium granulatum
|
USSR(Estonian SSR) |
Middle Ordovician |
|
Micrhystridium |
Micrhystridium granuliferum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium gregarium
|
Pakistan |
Early Triassic |
|
Micrhystridium |
Micrhystridium grosjeanii
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium guapum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium guizhouense
|
China |
Late Precambrian |
Early Cambrian |
Micrhystridium |
Micrhystridium hamatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium harlandii
|
Canada(Saskatchewan) |
Late Cretaceous |
|
Micrhystridium |
Micrhystridium helios
|
France |
Middle Jurassic |
|
Micrhystridium |
Micrhystridium henryi
|
France(Ille-et-Vilaine) |
Middle Ordovician |
|