Family Thyrsopteridaceae Presl 1847 (fern)
Polypodiopsida - Cyatheales - Polypodiidae
Parent taxon: Cyatheales according to PPG. I 2016
See also Vera 2010
Sister taxa: Cyatheaceae, Hagiophyton, Loxsomataceae, Metaxyaceae, Plagiogyriaceae, Yavanna
Subtaxa: Thyrsopteris
Distribution:
• Cretaceous of Antarctica (1 collection), Myanmar (1)
• Triassic of Italy (1)
Total: 3 collections each including a single occurrence