Micrhystridium |
Micrhystridium sitholeyi
|
India |
Cambrian |
|
Micrhystridium |
Micrhystridium smedsbiense
|
Sweden |
Middle Ordovician |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Canada |
Devonian |
|
Micrhystridium |
Micrhystridium spinosum
|
Poland |
Early Cambrian |
|
Micrhystridium |
Micrhystridium spinuliferum
|
Japan |
Oligocene |
|
Micrhystridium |
Micrhystridium staplini
|
USSR(Ukrainian SSR) |
Late Gothlandian |
|
Micrhystridium |
Micrhystridium stellapilosum
|
Belgium |
Silurian |
|
Micrhystridium |
Micrhystridium stellatum
|
France |
Wenlockian |
|
Micrhystridium |
Micrhystridium stellatum
|
England |
Wenlockian |
|
Micrhystridium |
Micrhystridium stellatum
|
England |
Late Gothlandian |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium stimuliferum
|
France |
Late Jurassic |
|
Micrhystridium |
Micrhystridium stimuliferum
|
Baltic |
Paleocene |
|
Micrhystridium |
Micrhystridium stimuliferum
|
Scotland |
Late Jurassic |
|
Micrhystridium |
Micrhystridium stimuliferum
|
France |
Late Jurassic |
|
Micrhystridium |
Micrhystridium stimuliferum
|
Scotland |
Late Jurassic |
|