Archaeopteris


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Related to Archaeopteris: lycopsids

Archaeopteris

[‚ärk·ē′äp·tə·rəs]
(paleobotany)
A genus of fossil plants in the order Archaeopteridales; used sometimes as an index fossil of the Upper Devonian.
References in periodicals archive ?
After a dry season, desiccated ferns would have been susceptible to wildfires sparked when lightning struck Archaeopteris trees, which towered up to 30 m.
The presence of unburned branches of Archaeopteris throughout the Pennsylvania siltstone suggests that these first forest trees had already developed means to flourish despite fires.
Concepts for 12 other extinct species were taken directly from the literature (Aglaophyton major, Stauropteris oldhamia, Stauropteris burntislandica, Psilophyton crenulatum, Lyginopteris oldhamia, Archaeopteris, Archaeocalamites, Calamites, Cladoxylon, Rhacophyton, Psaronius, and Botryopteris cratis).
In 1998, a team of scientists traveled to the Sahara Desert and collected over 150 fossils of Archaeopteris, including a 5-meter-long section of trunk.
This kind of branching structure indicates that Archaeopteris lived longer than previously thought, perhaps up to 50 years, says Scheckler.