Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium parvum | Vendian | Early Famennian |
|
| Micrhystridium pascheri | Llandoverian | Mississippian |
|
| Micrhystridium pastielsii | Late Devonian | Late Devonian |
|
| Micrhystridium patentissimum | Middle Cambrian | Middle Cambrian |
|
| Micrhystridium patulum | Miocene | Miocene |
|
| Micrhystridium paucispinum | Devonian | Givetian |
|
| Micrhystridium paulinae | Bajocian | Bathonian |
|
| Micrhystridium pavimentum | Silurian | Early Devonian |
|
| Micrhystridium peagicum | Late Devonian | Late Devonian |
|
| Micrhystridium pelagicum | Late Devonian | Late Devonian |
|
| Micrhystridium peliferum | Late Barremian | Early Albian |
|
| Micrhystridium pellitum | Tremadocian | Baoto |
|
| Micrhystridium penkridgense | Early Pleistocene | Early Pleistocene |
|
| Micrhystridium pentagonale | Silurian | Early Courceyan |
|
| Micrhystridium perleve | Late Precambrian | Late Precambrian |
|
| Micrhystridium perlevis | Early Cambrian | Early Cambrian |
|
| Micrhystridium persolatiforme | Late Devonian | Late Devonian |
|