Callipteridium
Callipteridium | |
---|---|
Fossil of Callipteridium species | |
Scientific classification | |
Division: | †Pteridospermatophyta |
Order: | †Medullosales |
Family: | †Cyclopteridaceae |
Genus: | †Callipteridium Weiss, 1870 |
Callipteridium is an extinct genus of pteridospermous seed ferns belonging to the family Cyclopteridaceae. These ferns existed in the Carboniferous period.
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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