Polypodiopsida - Polypodiales - Polypodiidae
Parent taxon: Pteridaceae according to PPG. I 2016
Sister taxa: Adiantopteris, Cheilanthoideae, Contignisporites, Cryptogrammoideae, Eriosorus, Kolymella, Onychium, Parkerioideae, Pterisisporites, Vittarioideae
Subtaxa: Pteris
Distribution:
• Quaternary of Australia (11 collections), the Bahamas (1), the Congo-Kinshasa (1), India (10), Japan (1), Panama (1)
• Pliocene to Pleistocene of Bolivia (1)
• Pliocene of Panama (4), Portugal (3)
• Miocene to Pliocene of Bolivia (1)
• Miocene of China (1), Costa Rica (1), Panama (8), Switzerland (1), United States (2: California, Montana)
• Oligocene to Miocene of Argentina (2)
• Oligocene of Argentina (2), Puerto Rico (4), United States (2: Oregon)
• Eocene of Cuba (1), the United Kingdom (1), United States (3: Alaska, Texas, Wyoming)
• Jurassic of Romania (1)
Total: 63 collections including 65 occurrences