Genus Tetraprion
- Species total:
- 5
- Age range:
- 500 - 435 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tetraprion | Middle Ordovician | Middle Ordovician |
|
| Tetraprion pozaryskae | Early Ordovician | Rakvere |
|
| Tetraprion sp | Richmondian | Richmondian |
|
| Tetraprion sp. Unde.& Will.,1995 | Late Tremadocian | Early Arenigian |
|
| Tetraprion sp.A | Middle Caradocian | Late Ashgillian |
|