Stamnostoma
| Stamnostoma Temporal range: | |
|---|---|
| A reconstruction of Stamnostoma huttonense from the Early Carboniferous Cementstone Group at Foulden Newton, Berwickshire, Scotland | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Class: | †Lyginopteridopsida |
| Order: | †Lyginopteridales |
| Family: | †Moresnetiaceae |
| Genus: | †Stamnostoma Long 1960 |
| Species | |
|
Stamnostoma huttonense | |
Stamnostoma is an extinct genus of seed ferns based on cupules with seeds. These are among the earliest known seed plants and of earliest Carboniferous (Tournaisian) age.