| Psaronius Temporal range: Late Carboniferous - Permian |
|
|---|---|
| A transverse section through a Psaronius stem. ~12cm across. | |
| An equivalent section through a modern tree fern. ~6cm across. | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Marattiopsida |
| Order: | Marattiales |
| Family: | Psaroniaceae |
| Genus: | Psaronius |
Psaronius was a Marattialean tree fern which grew to 10-15m in height, and is associated with leaves of the organ genus Pecopteris.