Lyginopteridopsida - Lyginopteridales - Sphenopteridaceae
Alternative spelling: Sphenopteridae
Parent taxon: Lyginopteridales according to C. J. Cleal and B. A. Thomas 2023
See also Dilcher et al. 2005
Sister taxa: Lyginopteridaceae, Moresnetiaceae, Sphenopteris
Subtaxa: Aranetzia Charnelia Cheilanthites Dendraena Dicranopteris Diplopteridium Edraxylon Gulpenia Heteropteris Kaloxylon Macrosphenopteris Neurosphenopteris Ovopteridium Ovopteris Palamophyllum Pseudobaiera Pseudosphenopteris Rhodeites Saropteris Spathulopteris Sturia Tetrameridium Urnatopteris Volkelia
Distribution:
• Cretaceous of Portugal (3 collections)
• Permian of France (1), Portugal (1)
• Carboniferous of the United Kingdom (5), United States (4: Illinois)
Total: 14 collections including 17 occurrences