Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium subrobustum | Wenlockian | Wenlockian |
|
| Micrhystridium subcarpaticum | Middle Triassic | Middle Triassic |
|
| Micrhystridium subbifurcatum | Tournaisian | Tournaisian |
|
| Micrhystridium stylosum | Ludlovian | Ludlovian |
|
| Micrhystridium stockmansii | Early Carboniferous | Early Carboniferous |
|
| Micrhystridium stipulatum | Roadian | Early Domerian |
|
| Micrhystridium stimuliferum | Early Paleozoic | Late Jurassic |
|
| Micrhystridium stephensonii | Miocene | Miocene |
|
| Micrhystridium stellatum | Cambrian | Early Pleistocene |
|
| Micrhystridium stellapilosum | Tremadocian | Early Turonian |
|
| Micrhystridium staplini | Ludlovian | Ludlovian |
|
| Micrhystridium spinuliferum | Oligocene | Early Miocene |
|
| Micrhystridium spinosum | Precambriam | Late Cambrian |
|
| Micrhystridium spinoglobosum | Cambrian | Famennian |
|
| Micrhystridium spicatum | Early Jurassic | Toarcian |
|
| Micrhystridium spackorosuesi | Llanvirnian | Baoto |
|
| Micrhystridium sp.Y Jans.,1962 | Scythian | Anisian |
|