Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium jiangsuense | Spathian | Spathian |
|
| Micrhystridium kaladgiense | Middle Riphean | Middle Riphean |
|
| Micrhystridium karamurzae | Late Permian | Liassic |
|
| Micrhystridium karrodense | Permian | Permian |
|
| Micrhystridium kashiense | Paleocene | Paleocene |
|
| Micrhystridium keratoides | Early Ordovician | Early Westphalian C |
|
| Micrhystridium koraiense | Miocene | Miocene |
|
| Micrhystridium kufferathii | Cambrian | Early Famennian |
|
| Micrhystridium kummelii | Early Triassic | Middle Triassic |
|
| Micrhystridium lagynophorum | Paleozoic | Bathonian |
|
| Micrhystridium lanatum | Precambriam | Ludlovian |
|
| Micrhystridium lanceolatum | Late Precambrian | Ordovician |
|
| Micrhystridium lappellum | Ludlovian | Eifelian |
|
| Micrhystridium lappum | Early Paleozoic | Early Mississippian |
|
| Micrhystridium lasnamaegiense | Middle Ordovician | Early Llandeilian |
|
| Micrhystridium latiaculeatum | Arenigian | Arenigian |
|
| Micrhystridium latonense | Nd | Nd |
|