Genus Hymenophacoides
- Species total:
- 2
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hymenophacoides | Precambriam | Precambriam |
|
| Hymenophacoides type A | Late Algonkian | Late Algonkian |
|
Genus Hymenophacoides
- Species total:
- 2
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hymenophacoides | Precambriam | Precambriam |
|
| Hymenophacoides type A | Late Algonkian | Late Algonkian |
|