Lyginopteris
Lyginopteris Temporal range: Late Carboniferous | |
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Permineralized stem Lyginopteris oldhamiana from coal ball of Late Carboniferous Six Inch Coal in Hough Hill Colliery near Stalybridge, England | |
Scientific classification | |
Kingdom: | Plantae |
Phylum: | †Pteridospermophyta |
Order: | †Lyginopteridales |
Family: | †Lyginopteridaceae |
Genus: | Lyginopteris (Binney) Potonie 1899 |
species | |
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Lyginopteris is a genus of Late Carboniferous seed fern stems with a very distinctive outer cortex of sclereids forming a pattern in cross section like Roman numerals on a clock face, often called a Sparganium cortex. Some Lyginopteris were parasitized by water molds.[1]
References
- ↑ Strullu-Derrien, C.; Kenrick, P.; Rioult, J. P.; Strullu, D. G. (2010). "Evidence of parasitic Oomycetes (Peronosporomycetes) infecting the stem cortex of the Carboniferous seed fern Lyginopteris oldhamia". Proceedings of the Royal Society B: Biological Sciences 278: 675. doi:10.1098/rspb.2010.1603.
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