Stamnostoma
| Use attributes for filter ! | |
| Scientific name | Stamnostoma |
|---|---|
| Order | Lyginopteridales |
| Rank | Genus |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2956763 |
About Stamnostoma
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 age.