Polypodiopsida - Polypodiales - Polypodiidae
Parent taxon: Polypodiales according to PPG. I 2016
Sister taxa: Aspleniineae, Athyriaceae, Clavatosporis, Drynariaceae, Karstenia, Lindsaeineae, Polypodiineae, Polypodiisporites, Pteridineae, Saccolomatineae, Saportaea
Subtaxa: Dennstaedtiaceae
Distribution:
• Quaternary of Australia (33 collections), the Congo-Kinshasa (1), India (11), United States (2: Michigan)
• Miocene of Switzerland (3), United States (1: Nevada)
• Eocene to Oligocene of Antarctica (1)
• Eocene of United States (3: Idaho, Washington)
• Paleocene of Canada (3: Saskatchewan), United States (8: Colorado, North Dakota, Wyoming)
• Cretaceous of Canada (3: Alberta), United States (6: Idaho, Wyoming)
• Jurassic of India (1)
Total: 76 collections including 90 occurrences