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Protopteridium
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Protopteridium

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The Information Architects of Encyclopaedia Britannica

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Learn about this topic in these articles:

  • prefern

    Their members include Protopteridium, which, like certain psilophytes, had leafless lower branches, and Aneurophyton, which was a fernlike tree at least 6 m (20 feet) tall. The Coenopteridales were a large group of ferns or fernlike plants that displayed a variety of growth forms, such as creeping stems…

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    Their members include Protopteridium, which, like certain psilophytes, had leafless lower branches, and Aneurophyton, which was a fernlike tree at least 6 m (20 feet) tall. The Coenopteridales were a large group of ferns or fernlike plants that displayed a variety of growth forms, such as creeping stems…

    Read More