PaleoDB taxon number: 54780
Parent taxon: Filicales according to P. Moisan et al. 2010
Sister taxa: Aspidium, Aspleniaceae, Blechnaceae, Davallia, Dennstaedtiaceae, Drynaria, Dryopteridaceae, Histiopteris, Karstenia, Nephrolepis, Odontosorites, Polypodiisporites, Pteridaceae, Pteridium, Pyrrosia, Saportaea, Stramineopteris, Newberryana, Hyrcanopteris, Saaria, Dipteridaceae, Solenostelopteris, Eleganopteris, Tigrisporites, Lontzenia, Sermaya, Scaphidopteris, Hymenophyllum, Stormbergia, Aspidistes, Saarotheca, Sarcopteris, Pterisorus, Gleicheniaceae, Acrostichopteris
Subtaxa: Anomorrhoea, Bathypteris, Chasmatopteris, Chinlea, Cladophlebis, Cladotheca, Iegosigopteris, Itopsidema, Mesolonchopteris, Millerocaulis, Osmunda, Osmundites, Osmundopsis, Palaeosmunda, Petcheropteris, Phyllopteroides, Rotverrusporites, Rugulatisporites, Stellatheca, Thamnopteris, Todea, Todeopsis, Todites, Zalesskya