Sphenopteris

Sphenopteris; Temporal range: Late Devonian-Cretaceous; ~
	Sphenopteris specimen found in Carboniferous rocks in Loire-Atlantique department, France
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	†Pteridospermatophyta
Class:	†Lyginopteridopsida
Order:	†Lyginopteridales
Family:	†Lyginopteridaceae
Genus:	†Sphenopteris; Sternberg 1825
Species
	S. alata †; S. elegans †; S. fragilis †; S. obtusiloba †; S. pinnae †; S. plicata †; S. pottsvillea †; S. sanjuliensis †; S. spiniformis †; S. suessi †; S. trifoliata †; S. valentinii †; S. warragulensis †;
Synonyms
	Synonyms of S. elegans Sphenopteris adiantoides; ;

Sphenopteris is a genus of seed ferns containing the foliage of various extinct plants, ranging from the Devonian to Late Cretaceous. One species, S. höninghausi, was transferred to the genus Crossotheca in 1911.

Sphenopteris Temporal range: Late Devonian-Cretaceous ~

Sphenopteris specimen found in Carboniferous rocks in Loire-Atlantique department, France
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	†Pteridospermatophyta
Class:	†Lyginopteridopsida
Order:	†Lyginopteridales
Family:	†Lyginopteridaceae
Genus:	†Sphenopteris Sternberg 1825
Species
S. alata † S. elegans † S. fragilis † S. obtusiloba † S. pinnae † S. plicata † S. pottsvillea † S. sanjuliensis † S. spiniformis † S. suessi † S. trifoliata † S. valentinii † S. warragulensis †
Synonyms
Synonyms of S. elegans Sphenopteris adiantoides