Pyxine is a genus of foliose lichens in the family Caliciaceae.

[2] The genus has a widespread distribution in tropical regions.

[3] The presence or absence of the compound lichexanthone is a character used in classifying Pyxine species; about 20 species contain this compound.

This represents the largest group of foliose lichens with the compound.

This Caliciales-related article is a stub.