Genus Polyedryxium
- Species total:
- 76
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polyedryxium tetrapyramidale | Frasnian | Frasnian |
|
| Polyedryxium tityros | Middle Givetian | Early Frasnian |
|
| Polyedryxium trifissile | Devonian | Givetian |
|
| Polyedryxium turritum | Early Frasnian | Early Frasnian |
|
| Polyedryxium type A | Late Asselian | Early Scythian |
|
| Polyedryxium venustum | Devonian | Late Devonian |
|
| Polyedryxium wenlockia | Late Llandoverian | Early Gedinnian |
|
| Polyedryxium wenlockium | Late Wenlockian | Pridolian |
|