Calymmodon is a genus of ferns in the family Polypodiaceae, subfamily Grammitidoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

[2] Its known range is Sri Lanka, Thailand, Vietnam, Taiwan, Malesia, Australia, Micronesia and Polynesia.

As of February 2020[update], the Checklist of Ferns and Lycophytes of the World accepted the following species and hybrids:[1] This Polypodiaceae-related article is a stub.

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