Biology:Callipteridium

Short description: Extinct genus of plants

Callipteridium Temporal range: Carboniferous PreЄ Є O S D C P T J K Pg N
Fossil of Callipteridium species
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
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

Wikidata ☰ Q20686143 entry