Alethopteris is a prehistoric plant genus of fossil pteridospermatophytes (seed ferns) that developed in the Carboniferous period (around 360 to 300 million years ago).[1]
| Alethopteris Temporal range: | |
|---|---|
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| Alethopteris grandini, late Carboniferous, Kansas. At the Royal Tyrrell Museum of Palaeontology. | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Order: | †Medullosales |
| Family: | †Alethopteridaceae |
| Genus: | †Alethopteris |
See also
References
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