†subfamily Thyrsopterideae (fern)
Polypodiopsida - Filicales - Polypodiidae
Parent taxon: Dicksoniaceae according to C. A. Lapasha and C. N. Miller 1985
Sister taxa: Acanthopteris, Calochlaena, Cibotiidites, Cyatheacidites, Dicksonia, Dicksoniaceaesporites, Kylikipteris, Lophosoria, Tchaunia, Tinpaharia, Trilites
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Thyrsopterideae in the database