Pteridopsida - Psilotales - Ophioglossidae

Parent taxon: Psilotaceae according to PPG. I 2016

See also Knowlton 1919

Sister taxon: Psilotum

Subtaxa: Tmesipteris alleni

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Distribution: found only at Cethana Dam (Oligocene of Australia)

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Specimen images are retrieved through the ePANDDA API.