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Lepidodendron

- Noun

A genus of fossil trees of the Devonian and Carboniferous ages, having the exterior marked with scars, mostly in quincunx order, produced by the separation of the leafstalks.


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    Lepidodendron

    Lepidodendron – also known as the scale trees – is an extinct genus of primitive, vascular, tree-like plants related to the isoetes (quillworts ) and lycopsids (club mosses ). They were part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter. They thrived during the Carboniferous Period (about 359.2 ± 2.5 Mya (million years ago) and were found until the Late Triassic, about 205 Ma) before going extinct. Sometimes erroneously called "giant club mosses", the genus was actually more closely related to modern quillworts than to modern club mosses.

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    Lepidodendrales

    Lepidodendrales (from Gr. "scale tree") were primitive, vascular, arborescent (tree-like) plants related to the lycopsids (club mosses ). They thrived during the Carboniferous period, and some reached heights of over 30 meters, with trunks often more than one meter in diameter. Sometimes called "giant club mosses", they are in fact more closely related to quillworts than to club mosses.

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