Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium persolatiformis | Gedinnian | Early Carboniferous |
|
| Micrhystridium picorricum | Ordovician | Emsian |
|
| Micrhystridium piliferum | Paleozoic | Rupelian |
|
| Micrhystridium piriforme | Middle Devonian | Late Devonian |
|
| Micrhystridium pisinnum | Early Proterozoic | Early Proterozoic |
|
| Micrhystridium pisos | Miocene | Miocene |
|
| Micrhystridium pistillum | Middle Cretaceous | Late Cretaceous |
|
| Micrhystridium piveteaui | Paleozoic | Late Eocene |
|
| Micrhystridium placophorum | Bajocian | Bathonian |
|
| Micrhystridium platformum | Middle Cretaceous | Late Cretaceous |
|
| Micrhystridium plurispinum | Eocene | Eocene |
|
| Micrhystridium polorum | Llandoverian | Llandoverian |
|
| Micrhystridium polyedricum | Paleozoic | Kimmeridgian |
|
| Micrhystridium polygonale | Early Ordovician | Early Ordovician |
|
| Micrhystridium poratum | Early Cambrian | Early Cambrian |
|
| Micrhystridium procarinatum | Late Ashgillian | Late Ashgillian |
|
| Micrhystridium profusum | Early Cambrian | Late Famennian |
|