''Callipteridium'' is an extinct genus of
pteridospermous seed ferns belonging to the family
Cyclopteridaceae. These ferns existed in the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
period.
References
Georges Basement* Gilbert A. Leisma
The Morphology and Anatomy of Callipteridium SullivantiAmerican Journal of Botany - Vol. 47, No. 4 (Apr., 1960), pp. 281–287
Pteridospermatophyta
Carboniferous plants
Prehistoric plant genera
Carboniferous first appearances
Carboniferous extinctions
Fossils of Georgia (U.S. state)
Paleozoic life of Prince Edward Island
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