Polypodiopsida - Cyatheales - Polypodiidae

Parent taxon: Cyatheales according to PPG. I 2016

See also Jud 2011 and Mabberley 2000

Sister taxa: Cyatheaceae, Hagiophyton, Metaxyaceae, Plagiogyriaceae, Thyrsopteridaceae, Yavanna

Subtaxa: Loxsoma Loxsomopteris

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Ecology: "photoautotroph"

Distribution: found only at paint branch cut bank (Cretaceous of Maryland)

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