Subfamily Cheilanthoideae Horvat 1927 (fern)
Polypodiopsida - Polypodiales - Polypodiidae
Parent taxon: Pteridaceae according to PPG. I 2016
Sister taxa: Adiantopteris, Contignisporites, Cryptogrammoideae, Eriosorus, Kolymella, Onychium, Parkerioideae, Pteridoideae, Pterisisporites, Vittarioideae
Subtaxa: Cheilanthes Pellaea
Distribution:
• Quaternary of India (4 collections), United States (1: Washington)
• Miocene of Switzerland (3)
Total: 8 collections each including a single occurrence