Micrhystridium |
Micrhystridium paraguaferum
|
Florida |
Middle Gothlandian |
Late Gothlandian |
Micrhystridium |
Micrhystridium paraguaferum
|
Spain |
Late Llandoverian |
Early Gedinnian |
Micrhystridium |
Micrhystridium paraguaferum
|
Spain |
Siegenian |
Late Emsian |
Micrhystridium |
Micrhystridium parinconspicuum
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium parveroquesii
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium pascheri
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium pentagonale
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium radians
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium shinetonense
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium spinoglobosum
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Silurian |
|
Micrhystridium |
Micrhystridium uncinatum
|
Saudi Arabia |
Early Gothlandian |
|
Micrhystridium |
Micrhystridium uncinatum
|
Ohio |
Tarannon |
|
Micrhystridium |
Micrhystridium uncinatum
|
Spain |
Early Gothlandian |
Middle Gothlandian |
Micrhystridium |
Micrhystridium uncinatum
|
Belgium |
Late Llandoverian |
Early Wenlockian |
Micrhystridium |
Micrhystridium uncinatum
|
Libya |
Early Gothlandian |
|