Polypodiopsida - Polypodiaceae
Parent taxon: Polypodiaceae according to PPG. I 2016
Sister taxa: Acrostichaceae, Adiantites, Allantodiopsis, Anomalofilicites, Arthromeris, Aspidium, Asplenieae, Aspleniopteris, Asplenites, Astralopteris, Comptoniopteris, Cuddaloria, Davallites, Dennstaedtiopsis, Dipteridinae, Drynaria, Drynarioideae, Dryopterites, Gemmatosporis, Goniopteris, Grammitidoideae, Gymnogramma, Laevigatosporites, Lastrea, Lepisorus, Leptochilites, Loxogrammoideae, Meniphylloides, Meyeripollis, Microsoroideae, Microtaenia, Onychiopsis, Palaeosorum, Phanerophlebites, Phymatodes, Phymatopteris, Platycerioideae, Platyceriphyllum, Pleopeltis, Podoloma, Polypodiaceaesporites, Polypodieae, Praedeparia, Pterideae, Trichotomosulcites, Verrucatosporites
Subtaxa: Polypodium Polypodium
Distribution:
• Quaternary of Canada (1: British Columbia collection), India (6), United States (1: Washington)
• Pliocene of Portugal (8)
• Miocene of China (1)
• Oligocene of United States (1: Oregon)
• Eocene of United States (23: Louisiana)
Total: 41 collections each including a single occurrence