Thamnogalla is a fungal genus in the family Cordieritidaceae.

It is a monotypic genus,[2] containing the single lichenicolous species Thamnogalla crombii, found in Europe and North America.

The genus was circumscribed in 1980 by David Leslie Hawksworth.

[3] The type species was originally described as Endocarpon crombiei by amateur botanist and collector William Mudd.

This Leotiomycetes-related article is a stub.