Genus Helletheca
- Species total:
- 1
- Age range:
- 289 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Helletheca conica | Late Carboniferous | Late Carboniferous |
|
Genus Helletheca
- Species total:
- 1
- Age range:
- 289 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Helletheca conica | Late Carboniferous | Late Carboniferous |
|