Invalid subtaxa: Filicophyceae [replaced name], Filicopsida Pfefferkorn 1976
Parent taxon: Pteridophyta according to A. B. Doweld 2001
See also Cladera et al. 2007, Kenrick and Crane 1997, Lapasha and Miller 1985, Mabberley 2000, McIver and Basinger 1993 and McLoughlin et al. 1995
Sister taxa: Acrostichides, Acrostichophyllum, Actinopteris, Actinostelopteris, Agasopteris, Alcicornopteris, Anastomopteris, Aneimidium, Anotopteris, Aphlebiocarpus, Apiculatisporis, Archaeoxylon, Arcyopteris, Aspideae, Aspidioides, Asplenioides, Aspleniopteris, Asterochlaena, Asterochlaenopsis, Aulacopteris, Auritulinasporites, Bachasupteris, Balantites, Bambakia, Baqueroites, Beinertia, Bellopteris, Benizia, Bernoullia, Biarmella, Bockschia, Bonaventurea, Boweria, Brittsia, Cardioangulina, Cardiopteridium, Carolopteris, Catenopteris, Cephalotheca, Chansitheca, Cheiloleptites, Chorionopteris, Chrysodiopteris, Cibotiumspora, Cingulatipollenites, Clavatasporites, Coenopteridales, Comia, Comipteridium, Concavisporites, Converrucosisporites, Crenaticaulis, Cynepteris, Dactylopteris, Dactylotheca, Danaeides, Deccanites, Delgadoa, Desmophlebis, Dicksoniopteris, Dicropteris, Dictyocallipteridium, Didymosorus, Diplasiophyllum, Diplazites, Diplodendron, Diplophacelus, Discopteris, Distichopteris, Doleropteris, Duplexisporites, Dvinopteridium, Dzergalanella, Eboracia, Emplectopteridium, Eodelopterum, Eodelopterum priscum, Eorhachis, Eskdalia, Filices, Filiciphyllum, Filicites, Filicorachionites, Flicheia, Floropteris, Foliopteris, Forbesia, Fortisia, Fortopteris, Foveogleicheniidites, Gellera, Glenopteris, Glockeria, Glossochlamys, Goeppertella, Goeppertia, Grandeurya, Guptiorachis, Gutbieria, Gymnocaulus, Gyropteris, Halopteris, Hawlea, Hemionitites, Heterofilicites, Hymenophyllea, Impardecispora, Iniopteris, Isiolopteris, Jarenga, Johnstonia, Kandyria, Kankakeea, Karinopteris, Katadromopteris, Katasiopteris, Ketovia, Kidstonia, Knorripteris, Konnoa, Leckenbya, Lescuropteris, Listrophyllum, Lobifolia, Lomatopteris, Lonchopteris, Lopinopteris, Loxopteris, Lycopsida, Lygodites, Marattites, Marcouia, Margaritopteris, Marzaria, Medullosites, Megalopteris, Menopteris, Merianopteris, Mesodescolea, Microdictyon, Microfoveolatosporis, Microreticulatisporites, Mixoneura, Monheimia, Monolete, Mundapteris, Muricingulisporis, Murospora, Myriotheca, Naktongia, Neriopteris, Noeggerathia, Noeopteris, Onocleites, Ophioglossites, Osmundia, Osmundophyllum, Otidophyton, Pachyphyllum, Palaeopteris, Parazola, Parkeriaceae, Parkerioidea, Peremopteris, Permopteridium, Peruviophyllum, Phialopteris, Pilosisporites, Plumatopteris, Poacordaites, Polycingulatisporites, Polypodiopsida, Polypodites, Polytheca, Protoblechnum, Psalixochlaena, Pseudadiantites, Pseudocordaites, Pseudodanaeopsis, Pseudorhacopteris, Psilatriletes, Psilotopsida, Pteridites, Pteridoleimma, Pteridorachis, Pteridotheca, Pteropsida, Renaultia, Reussia, Rhabdoxylon, Rhachiopteris, Rhacophytales, Rhacopteris, Rhizodendron, Rhizomites, Rhizomites, Rubinella, Ruflorinia, Saadisporites, Saccopteris, Sachalinia, Sacheria, Scapanophyllum, Schizaeites, Schizodendron, Sciadipteris, Sclerophyllina, Scleropteridium, Scleropteris, Scolopendrites, Scortea, Selenochlaena, Shirakia, Silesiopteris, Sitzia, Sitzopteris, Sorocladus, Sphegopteris, Sphenopteridium, Sphyropteris, Stachypteris, Staphylopteris, Steffensia, Stewartiopteris, Stipitopteris, Straelenipteris, Strephopteris, Supaia, Surangea, Sylvia, Sylvopteris, Synia, Taenitites, Tedelea, Teilhardia, Tetraptilon, Tetratmema, Thecopteris, Tietea, Trilobosporites, Trimatopteris, Triplanosporites, Tuberositriletes, Tubicaulidaceae, Tungussopteris, Tuzhykoviella, Ungeria, Uralia, Uralopteris, Vargolopteris, Velosporites, Wingatea, Zalesskyella, Zonopteris, Hydropterangium
Subtaxa: Achradosporis Apiculatasporites Capsispora Cheiropleuriaceae Chelepteris Choffatia Cingulatisporites Clavatisporites Clavatriletes Crassoretitriletes Cyathidites Deltoidospora Echinatisporis Filicales Foveasporis Granulatisporites Grapnelispora Hymenophyllopsidaceae Interlobulites Ischyosporites Kirchheimerisporites Kyrtomisporis Lametatriletes Leiotriletes Lepidodendrites Lophosoriaceae Lygodiidites Lygodioisporites Magnastriatites Marattisporites Marsileales Matonisporites Monachosoraceae Monolites Ophioglossidae Osmundacidites Polypodiaceoisporites Psilotidae Pteridacidites Reticuloidosporites Scabramonoletes Striatella Todisporites Triletes Triloboxylon Vittariaceae Waltzispora