Teratophyllum is a genus of ferns in the family Dryopteridaceae, subfamily Elaphoglossoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

[2] Teratophyllum was attributed to Georg Heinrich Mettenius when it was first published by Friedrich Kuhn in 1869.

[2] The genus is recognized in the PPG I classification, and by the Checklist of Ferns and Lycophytes of the World.

[1][2] As of January 2020[update], Plants of the World Online also recognized the genus, but with a wider circumscription that included Arthrobotrya.

[3] As of January 2020[update], the Checklist of Ferns and Lycophytes of the World recognized the following species:[2]