Dipteridaceae

The Dipteridaceae is a family of ferns in the order Gleicheniales of the class Polypodiopsida. They are commonly known as umbrella ferns and contain two genera, Cheiropleuria and Dipteris, with a total of nine species confined to Asia, New Guinea and northern Australia While currently a small family, they were much more abundant in the Mesozoic era, with the oldest fossils being known from the Middle Triassic of Italy, Australia and Argentina. A number of fossil genera are recognised, including Hausmannia, Clathropteris, Dictyophyllum, Sewardalea, Thaumatopteris, Camptopteris, Patagoniapteris, Goeppertella, and Polyphacelus.

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