Genus Microconcentrica
- Species total:
- 18
- Age range:
- 4100 - 314 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Microconcentrica typica | Early Cambrian | Late Gothlandian |
|
Genus Microconcentrica
- Species total:
- 18
- Age range:
- 4100 - 314 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Microconcentrica typica | Early Cambrian | Late Gothlandian |
|