Parent taxon: Polypodiopsida according to V. S. Perez Loinaze et al. 2023
See also I 2016, Jud 2011, Mabberley 2000 and McIver and Basinger 1993
Sister taxa: Acrocarpus, Biretisporites, Cladophlebis, Equisetidae, Gleicheniaceae, Marattiidae, Marsileaceae, Osmundaceae, Polypodiaceae, Polypodiidae, Protopteris, Pseudosalvinia, Pterygopteris, Punctatosporites, Schizopteris, Tempskyaceae, Verrucosisporites
Subtaxa: Blechnoideae Leptolepidites Midlandia Peromonolites Stenochlaenoideae Woodwardioideae
Ecology: "photoautotroph"
Distribution:
• Quaternary of Argentina (2 collections), Australia (25), India (6)
• Miocene to Pliocene of Falkland Islands (Malvinas) (1), Japan (1)
• Miocene of Argentina (3), Australia (1), China (1), Venezuela (1)
• Oligocene to Miocene of Argentina (5), Australia (3)
• Oligocene of Argentina (2), Australia (1)
• Eocene to Miocene of Argentina (1)
• Eocene of Antarctica (1), Argentina (4), Canada (1: British Columbia), China (1), Myanmar (18), United States (17: North Dakota, Washington, Wyoming)
• Paleocene of Antarctica (1), Argentina (21), Australia (6), Canada (6: Alberta, Saskatchewan), China (1), Colombia (4), United States (28: Colorado, Montana, North Dakota, Wyoming)
• Tertiary of Venezuela (1)
• Cretaceous to Paleogene of Antarctica (1), Argentina (1), New Zealand (3), United States (1: Colorado)
• Cretaceous of Antarctica (10), Argentina (36), Australia (4), Brazil (61), Canada (4: Alberta), China (2), Colombia (11), Egypt (18), France (1), Israel (1), Libya (1), Morocco (1), Peru (1), Portugal (2), the Russian Federation (1), South Sudan (1), Sudan (23), the United Kingdom (1), United States (35: Montana, New Mexico, North Dakota, South Carolina, Wyoming)
• Jurassic to Cretaceous of Egypt (1), India (1), the Russian Federation (1)
• Jurassic of Argentina (1), France (2), Montenegro (1), Morocco (1), the Russian Federation (2)
• Triassic of the Netherlands (1), Norway (9)
Total: 403 collections including 431 occurrences