Genus Hymenodiscina
- Species total:
- 5
- Age range:
- 650 - 314 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hymenodiscina adumbrata | Vendian | Early Devonian |
|
| Hymenodiscina conspicua | Gedinnian | Early Carboniferous |
|
| Hymenodiscina particularis | Late Frasnian | Early Carboniferous |
|
| Hymenodiscina sincera | Late Frasnian | Early Carboniferous |
|
| Hymenodiscina sp | Vendian | Early Devonian |
|