Genus Halletheca
- Species total:
- 3
- Age range:
- 570 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Halletheca | Carboniferous | Carboniferous |
|
| Halletheca reticulatus | Paleozoic | Permian |
|
| Halletheca sp | Late Stephanian | Late Stephanian |
|