Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium sp.D | Late Cambrian | Albian |
|
| Micrhystridium sp.D Fech.,1989 | Late Bathonian | Late Bathonian |
|
| Micrhystridium sp.E | Early Ludlovian | Middle Ludlovian |
|
| Micrhystridium sp.F | Middle Permian | Middle Permian |
|
| Micrhystridium sp.H Jans.,1962 | Scythian | Anisian |
|
| Micrhystridium sp.I | Ordovician | Ordovician |
|
| Micrhystridium sp.II | Late Bajocian | Late Bajocian |
|
| Micrhystridium sp.III | Late Bajocian | Late Bajocian |
|
| Micrhystridium sp.SA | Early Gothlandian | Late Rhuddanian |
|
| Micrhystridium sp.SA Smel.,1987 | Nd | Nd |
|
| Micrhystridium sp.SB Smel.,1987 | Late Aeronian | Early Telychian |
|
| Micrhystridium sp.SC | Middle Telychian | Middle Telychian |
|
| Micrhystridium sp.SD | Late Rhuddanian | Middle Telychian |
|
| Micrhystridium sp.Visa.et al,1976 | Ordovician | Ordovician |
|
| Micrhystridium sp.Y Jans.,1962 | Scythian | Anisian |
|
| Micrhystridium spackorosuesi | Llanvirnian | Baoto |
|
| Micrhystridium spicatum | Early Jurassic | Toarcian |
|