| 词条 | Sphenopteris |
| 释义 |
| fossil_range = Late Devonian-Cretaceous ~{{fossil range|388|70}} | image = Sphenopteris schumannii.jpg | image_alt = Fossilized fern-like leaf strucutre | image_caption= S. schumannii specimen on display at Musée d'Histoire Naturelle de Lille | taxon = Sphenopteris | authority = Sternberg 1825 | subdivision_ranks = Species | subdivision =
}}Sphenopteris is a genus of seed ferns containing the foliage of various extinct plants, ranging from the Devonian to Late Cretaceous.[1][2] BiologyThe frond of Sphenopteris could be up to {{convert|20|in|cm}} long.[1] DistributionIn 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.[3] Fossils of Sphenopteris have also been found in the Valle Alto Formation, Caldas, Colombia, among many other locations.[4] References1. ^1 {{cite book | title=Prehistoric Life: The Definitive Visual History of Life on Earth | publisher=Dorling Kindersley | author=Palmer, Douglas| year=2009 | location=New York | page=149 | isbn=978-0-7566-5573-0 | edition=1st American|display-authors=etal}} 2. ^Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois 3. ^Afloramento Morro do Papaléo, Mariana Pimentel, RS 4. ^Sphenopteris at Fossilworks.org External links
23 : 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 |
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