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Palaeogleichenia gracilis
Taxonomy
Pecopteris gracilis was named by Heer (1865). It is not extant. It is the type species of Palaeogleichenia.
It was recombined as Palaeogleichenia gracilis by Leuthardt (1901).
It was recombined as Palaeogleichenia gracilis by Leuthardt (1901).