Sphenophyllum

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title: "Sphenophyllum" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["horsetails", "fossils-of-georgia-(u.s.-state)", "paleozoic-life-of-new-brunswick", "paleozoic-life-of-nova-scotia", "paleozoic-life-of-prince-edward-island"] description: "Extinct genus of ferns" topic_path: "general/horsetails" source: "https://en.wikipedia.org/wiki/Sphenophyllum" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Extinct genus of ferns ::

| fossil_range = | image_alt = A piece of rock showing imprints of about four slender vine-like stems with small wedged-shaped leaves arranged around regularly spaced nodes. | image = Sphenophyllum miravallis.jpg | image_caption = Fossil leaves and branches of the species Sphenophyllum miravallis, Upper Carboniferous. Collection of Utrecht University | taxon = Sphenophyllum | authority = Brongn. (1828) | subdivision_ranks = Species | subdivision = See text.

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
• †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
• †Sphenophyllum coemansii
• †Sphenophyllum multirame
• †Sphenophyllum myriophyllum
• †Sphenophyllum plurifoliatum --

References

References

1. "''Sphenophyllum'' A.T.Brongniart, 1828".
2. "''Sphenophyllum biarmicum''".
3. "''Sphenophyllum churulianum''".
4. "''Sphenophyllum crenulatum''".
5. "''Sphenophyllum emarginatum''".
6. "''Sphenophyllum gilmorei''".
7. "''Sphenophyllum latifolium''".
8. "''Sphenophyllum longifolium''".
9. "''Sphenophyllum majus''".
10. (1984). "''Sphenophyllum miravallis'' Vetter and ''Bowmanites cupulatus'' sp. n. from the "Illinger Flözzone" ("Heusweiler Schichten", Lower Stephanian, Saar Basin, German Federal Republic)". Review of Palaeobotany and Palynology.
11. "''Sphenophyllum paranaense''".
12. "''Sphenophyllum stoukenbergi''".
13. "''Sphenophyllum subtenerrimum''".
14. "''Sphenophyllum tenuifolium''".
15. "genus ''Sphenophyllum'' Brogn. †".
16. (2022). "''Sphenophyllum'' Brongniart (Sphenopsida) from the Upper Devonian of South China". Palaeoworld.
17. "''Sphenophyllum''".
18. "†''Sphenophyllum'' König 1825".

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