Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium maplewoodensis | Llandoverian | Wenlockian |
|
| Micrhystridium exiguum | Late Cambrian | Wenlockian |
|
| Micrhystridium equispinosum | Early Llandeilian | Wenlockian |
|
| Micrhystridium diornamentum | Tremadocian | Wenlockian |
|
| Micrhystridium clarkii | Llandoverian | Wenlockian |
|
| Micrhystridium inaffectilumium | Llandoverian | Wenlockian |
|
| Micrhystridium breviradiatum | Early Gothlandian | Wenlockian |
|
| Micrhystridium uncinatum | Ordovician | Middle Gothlandian |
|
| Micrhystridium sp. Stem.,1990 | Ludlovian | Siedlce |
|
| Micrhystridium acerbum | Late Llanvirnian | Siedlce |
|
| Micrhystridium sp.E | Early Ludlovian | Middle Ludlovian |
|
| Micrhystridium sp.4 | Late Ludlovian | Early Pridolian |
|
| Micrhystridium lanatum | Precambriam | Ludlovian |
|
| Micrhystridium aculeatum | Tremadocian | Ludlovian |
|
| Micrhystridium sp.C Rubi.,1992 | Late Ludlovian | Pridolian |
|
| Micrhystridium tornatum | Precambriam | Silurian |
|
| Micrhystridium incertum | Paleozoic | Silurian |
|