The Porotheleaceae are a family of saprotrophic, mainly wood-decay fungi in the order Agaricales that are primarily agarics, but also include cyphelloid fungi.

The family has been informally cited in the literature as the 'hydropoid' clade.

[1][2] The type genus, Porotheleum, was placed in the phylogenetically defined clade in 2002,[1] but the clade was more strongly supported in 2006,[2] although without including Porotheleum.

[2] Some included taxa are cultivated by ants.

[1] More recently, the family has been recognized in three analyses that included Porotheleum.