Pteridopsida - Ophioglossidae - Ophioglossidae
Parent taxon: Filicopsida according to P. Kenrick and P.R. Crane 1997
Sister taxa: Achradosporis, Apiculatasporites, Chelepteris, Choffatia, Cingulatisporites, Clavatisporites, Clavatriletes, Cyathidites, Deltoidospora, Echinatisporis, Foveasporis, Granulatisporites, Grapnelispora, Interlobulites, Ischyosporites, Kirchheimerisporites, Leiotriletes, Lepidodendrites, Marattisporites, Matonisporites, Monolites, Osmundacidites, Pteridacidites, Scabramonoletes, Todisporites, Triletes, Triloboxylon, Waltzispora, Psilotidae, Kyrtomisporis, Monachosoraceae, Lygodiidites, Lophosoriaceae, Vittariaceae, Lygodioisporites, Filicales, Reticuloidosporites, Magnastriatites, Capsispora, Crassoretitriletes, Lametatriletes, Hymenophyllopsidaceae, Polypodiaceoisporites, Striatella, Cheiropleuriaceae, Marsileales
Subtaxa: Ophioglossales Psilotales