Callipteridium
Extinct genus of plants
From Wikipedia, the free encyclopedia
Callipteridium is an extinct genus of pteridospermous seed ferns belonging to the family Cyclopteridaceae. These ferns existed in the Carboniferous period.
| Callipteridium Temporal range: | |
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| Fossil of Callipteridium species | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Order: | †Medullosales |
| Family: | †Cyclopteridaceae |
| Genus: | †Callipteridium Weiss, 1870 |
References
- Georges Basement
- Gilbert A. Leisman The Morphology and Anatomy of Callipteridium Sullivanti American Journal of Botany - Vol. 47, No. 4 (Apr., 1960), pp. 281–287
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