Polypodiopsida - Polypodiaceae
Parent taxon: Polypodiaceae according to F. H. Knowlton 1919
Sister taxa: Acrostichaceae, Adiantites, Allantodiopsis, Anomalofilicites, Arthromeris, Aspidium, Asplenieae, Aspleniopteris, Asplenites, Astralopteris, Comptoniopteris, Cuddaloria, Davallites, Dennstaedtiopsis, 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, Polypodioideae, Praedeparia, Pterideae, Trichotomosulcites, Verrucatosporites
Subtaxa: Clathropteris
Distribution:
• Jurassic to Cretaceous of the Russian Federation (1 collection)
• Jurassic of Argentina (4), Belarus (2), China (25), Georgia (3), Germany (1), Greenland (4), Iran (1), Japan (3), Kazakhstan (6), Poland (1), Romania (4), the Russian Federation (42), Tajikistan (14), the United Kingdom (11), United States (2: Massachusetts, New Jersey), Uzbekistan (5)
• Triassic to Jurassic of Canada (2: Northwest Territories), Sweden (1), Ukraine (1)
• Triassic of Afghanistan (1), Argentina (1), Armenia (1), Austria (2), China (58), France (2), Germany (6), Greenland (13), Hungary (2), Iran (4), Japan (3), Kyrgyzstan (2), Malaysia (1), the Russian Federation (4), South Korea (4), Svalbard and Jan Mayen (1), Sweden (3), Switzerland (1), Tajikistan (4), Thailand (1), Ukraine (4), United States (3: New Mexico, Virginia), Vietnam (1)
Total: 255 collections including 302 occurrences