Cyclopteris

Cyclopteris is an extinct genus of seed ferns in the extinct family †Cyclopteridaceae. Species are from the Carboniferous.

• Cyclopteris elegans Lesquereux, 1854[2] - from the Carboniferous of Pennsylvania, USA
• Cyclopteris elegans Unger, 1858[3]
• Cyclopteris elegans Achepohl, 1883[4] - from Westphalia, Germany[5]

Cyclopteris Temporal range: 360.7–0.012 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Cyclopteris rhomboidea - Exhibit in the Arppeanum, Helsinki, Finland.
Scientific classification
Kingdom:	Plantae
Division:	†Pteridospermatophyta
Order:	†Medullosales
Family:	†Cyclopteridaceae
Genus:	†Cyclopteris Brongniart, 1828[1]
Species
Cyclopteris rhomboidea and see text

References

1. Prodrome d'une histoire des végétaux fossiles. A Brongniart, 1828
2. New species of fossil plants. Lesquereux, 1854, Boston Journ. of Nat. Hist. VI, 4, page 416
3. Unger, 1858, Denkschr. K. Akad. d. Wiss., Wien, Math. natw. CI, XI, page 161, tab. 6, fig. 1
4. Das Niederrheinisch-Westfälische Steinkohlengebirge: Atlas der fossilen Fauna und Flora in 42 Blättern, nach Originalen photographirt und 4 lithographirte Blätter, … L Achepohl, 1883, page 116, tab. 35, fig. 5
5. Fossilium Catalogus. II. Plantae. Pars 39. W. Jongmans

External links

• Media related to Cyclopteris at Wikimedia Commons
• "Cyclopteris" at the Encyclopedia of Life
• Cyclopteris at fossilworks.org