Sphenophyllum

''Sphenophyllum'' is a genus in the order Sphenophyllales. It has been placed in the family Sphenophyllaceae.

Species

Species that have been described include:
*†''Sphenophyllum angustifolium''
*†''Sphenophyllum biarmicum'' Zalessky (1937)
*†''Sphenophyllum changxingense''
*†''Sphenophyllum churulianum'' Ashw. K. Srivast. & Rigby (1963)
*†''Sphenophyllum costae''
*†''Sphenophyllum crenulatum''Ashw. K. Srivast. & Rigby (1963)
*†''Sphenophyllum cuneifolium'' (Sternb.) Zeiller (1878)
*†''Sphenophyllum elongatum'' Rassk. (1961)
*†''Sphenophyllum emarginatum'' Brongn. (1822) (type species)
*†''Sphenophyllum fanwanense''
*†''Sphenophyllum gilmorei'' C.D. White (1929)
*†''Sphenophyllum gondwanensis''
*†''Sphenophyllum guangzhuoense'', nomen nudum
*†''Sphenophyllum koboense''
*†''Sphenophyllum latifolium'' Fontaine & I.C. White (1880)
*†''Sphenophyllum longifolium'' (Germar) Gutbier (1843)
*†''Sphenophyllum lungtanense''
*†''Sphenophyllum majus'' Bronn (1834)
*†''Sphenophyllum miravallis'' Vetter
*†''Sphenophyllum oblongifolium'' (Germar) Unger (1850)
*†''Sphenophyllum paranaense'' O. Rösler & Rohn (1984)
*†''Sphenophyllum pseudotenerrimum'' Sze (1936)
*†''Sphenophyllum radiatum'' Unger (1850)
*†''Sphenophyllum rhodesii''
*†''Sphenophyllum rotundatum'' T. Halle (1927)
*†''Sphenophyllum schlotheimii'' Brongn. (1828)
*†''Sphenophyllum sino-coreanum'' H. Yabe (1922)
*†''Sphenophyllum stoukenbergi'' Schmalh. (1887)
*†''Sphenophyllum subtenerrimum'' Nath. (1902)
*†''Sphenophyllum tenuifolium'' Fontaine & I.C. White (1880)
*†''Sphenophyllum thonii'' Mahr (1868)
*†''Sphenophyllum utkalensis''
*†''Sphenophyllum verticillatum''
*†''Sphenophyllum zwickaviense''

References

{{Taxonbar, from=Q2295931

Horsetails
Fossils of Georgia (U.S. state)
Paleozoic life of New Brunswick
Paleozoic life of Nova Scotia
Paleozoic life of Prince Edward Island