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Lycopsida

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Asteroxylon

Overview page. Subjects: Earth Sciences and Geography.

An early lycopsid (Lycopsida) plant that occurs in the Rhynie Chert, Aberdeenshire, Scotland (Lower Devonian). It has dichotomous rhizomes and the aerial extensions bear leaf-like enations...

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Baragwanathia longifolia

Overview page. Subjects: Earth Sciences and Geography — Plant Sciences and Forestry.

An early representative of the club mosses (Lycopsida) that is known from the Lower Devonian. During the Devonian and Carboniferous, this group reached the peak of its diversification.

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Carboniferous

Overview page. Subjects: Biological Sciences.

A period of Palaeozoic time, stretching approximately from 345 to 280 million years bp, and subdivided into the Mississippian and the Pennsylvanian periods.

http://www.ucmp.berkely...

See overview in Oxford Index

Lepidodendron selaginoides

Overview page. Subjects: Earth Sciences and Geography — Plant Sciences and Forestry.

An important species of Palaeozoic plant, characterized by a dichotomous branching, by diamond-shaped leaf scars, and by large cones. During the Upper Carboniferous Lepidodendron species...

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Lepidophloios kilpatrickense

Overview page. Subjects: Plant Sciences and Forestry — Earth Sciences and Geography.

The earliest known representative of the important Palaeozoic family of plants, the Lepidodendraceae. Closely related to Lepidodendron, Lepidophloios kilpatrickense is distinguished by its...

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Lycopodiaceae

Overview page. Subjects: Plant Sciences and Forestry.

A family of Lycopsida within the Pteridophyta, with small, simple, usually narrow leaves, which clothe the forking stems or, as in Phylloglossum, arise from the base of the naked,...

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pteridophyta

Overview page. Subjects: Plant Sciences and Forestry.

In traditional classification systems, a division of the plant kingdom that included ferns, horsetails, and clubmosses, i.e. the nonseed-bearing tracheophytes. These are now classified as...

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Pteridophytina

Overview page. Subjects: Earth Sciences and Geography.

Subdivision of the plant kingdom, comprising the classes Lycopsida (club mosses), Sphenopsida (horsetails), Psilopsida (but see psilophytales), and Pteropsida (the various families of...

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Selaginellaceae

Overview page. Subjects: Plant Sciences and Forestry.

A family of the Pteridophyta in the wide sense, or of the Lycopsida in the narrower sense, of plants similar to the clubmosses (Lycopodiaceae), but showing heterospory, with megasporangia,...

See overview in Oxford Index