Genus Micrhystridium
- Species total:
- 558
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Micrhystridium sp. Henr.,1969 | Llanvirnian | Early Caradocian |
|
| Micrhystridium acuminosum | Tremadocian | Late Caradocian |
|
| Micrhystridium varispinosum | Middle Ordovician | Caradocian |
|
| Micrhystridium sp.1 Uute.& Tynn.,1991 | Middle Caradocian | Late Caradocian |
|
| Micrhystridium multiradiale | Late Caradocian | Ashgillian |
|
| Micrhystridium varipinnosum | Ordovician | Ashgillian |
|
| Micrhystridium lanceolatum | Late Precambrian | Ordovician |
|
| Micrhystridium digitatum | Middle Ordovician | Ashgillian |
|
| Micrhystridium ciliforme | Early Ordovician | Ashgillian |
|
| Micrhystridium sp.SA | Early Gothlandian | Late Rhuddanian |
|
| Micrhystridium sp.SB Smel.,1987 | Late Aeronian | Early Telychian |
|
| Micrhystridium sp.SD | Late Rhuddanian | Middle Telychian |
|
| Micrhystridium nanum | Middle Ordovician | Telychian |
|
| Micrhystridium taeniosum | Middle Ordovician | Early Gothlandian |
|
| Micrhystridium minimum | Cambrian | Early Gothlandian |
|
| Micrhystridium parvulum | Middle Ordovician | Early Gothlandian |
|
| Micrhystridium tetraxis | Middle Ordovician | Early Wenlockian |
|