Sphenopteris
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| Sphenopteris | |
|---|---|
| Fossilized fern-like leaf structure | |
| Sphenopteris specimen found in Carboniferous rocks in Loire-Atlantique department, France | |
| Scientific classification Edit this classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Class: | †Lyginopteridopsida |
| Order: | †Lyginopteridales |
| Family: | †Lyginopteridaceae |
| Genus: | †Sphenopteris Sternberg 1825 |
| Species | |
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| Synonyms | |
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Sphenopteris is a genus of seed ferns containing the foliage of various extinct plants, ranging from the Devonian to Late Cretaceous.[1][2] One species, S. höninghausi, was transferred to the genus Crossotheca in 1911.[3]
Biology
[edit | edit source]The frond of Sphenopteris could be up to 20 inches (51 cm) long.[1]
Distribution
[edit | edit source]In Brazil, fossil of form genus Sphenopteris was located in outcrop Morro Papalé in the city of Mariana Pimentel. They are in the geopark Paleorrota in Rio Bonito Formation and date from Sakmarian in Permian.[4] Fossils of Sphenopteris have also been found in the Valle Alto Formation, Caldas, Colombia, among many other locations.[5]
References
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- ^ Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois
- ^ F. L. S., Johnson, T. D. (1911). A seed-bearing Irish Pteridosperm, Crossotheca Höninghausi, Kidston (Lyginodendron oldhamium, Williamson). Royal Dublin Society
- ^ Afloramento Morro do Papaléo, Mariana Pimentel, RS
- ^ Sphenopteris at Fossilworks.org
External links
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Categories:
- Pteridospermatophyta
- Prehistoric plant genera
- Devonian plants
- Carboniferous plants
- Mississippian plants
- Pennsylvanian plants
- Permian plants
- Triassic plants
- Jurassic plants
- Early Cretaceous plants
- Late Devonian first appearances
- Cretaceous extinctions
- Prehistoric plants of South America
- Fossils of Brazil
- Fossils of Colombia
- Jurassic Colombia
- Fossil taxa described in 1825
- Fossils of Georgia (U.S. state)
- Late Cretaceous plants
- Paleozoic life of New Brunswick
- Paleozoic life of Newfoundland and Labrador
- Paleozoic life of Nova Scotia
- Paleozoic life of Nunavut
- Paleozoic plant stubs
- Silurian stubs
- Mesozoic plant stubs