Subfamily Vittarioideae Link 1841 (fern)
Polypodiopsida - Polypodiales - Polypodiidae
Parent taxon: Pteridaceae according to PPG. I 2016
Sister taxa: Adiantopteris, Cheilanthoideae, Contignisporites, Cryptogrammoideae, Eriosorus, Kolymella, Onychium, Parkerioideae, Pteridoideae, Pterisisporites
Subtaxa: Adiantum
Distribution:
• Quaternary of India (1 collection)
• Pliocene of Portugal (1)
• Oligocene to Miocene of Argentina (1)
• Eocene of the United Kingdom (1), United States (1: Washington)
• Cretaceous of Portugal (1)
• Jurassic of Portugal (1)
Total: 7 collections including 8 occurrences