Pyrenulales

The Pyrenulales are an order of ascomycetous fungi within the class Eurotiomycetes and within the subphylum Pezizomycotina.

Taxonomy
As of 2022 the order contains one family, 14 genera and around 296 species.
 * Order Pyrenulales Fink ex D. Hawksw. & O.E. Erikss.
 * Family Pyrenulaceae Rabenh.
 * Anthracothecium Hampe ex A. Massal. – 5 species
 * Blastodesmia A. Massal. – 1 species
 * Clypeopyrenis Aptroot – 2 species
 * Distopyrenis Aptroot – 8 species
 * Granulopyrenis Aptroot – 6 species
 * Lithothelium Müll. Arg. – 28 species
 * Mazaediothecium Aptroot – 4 species
 * Pyrenographa Aptroot – 1 species
 * Pyrenowilmsia R.C. Harris & Aptroot – 1 species
 * Pyrenula Ach. (=Heufleridium Müll. Arg.; =Stromatothelium Trevis.) – circa 225 species
 * Pyrgillus Nyl. – 8 species
 * Sulcopyrenula H. Harada – 5 species
 * Pyrenulales incertae sedis
 * Rhaphidicyrtis Vain. – 1 species
 * Xenus Kohlm. & Volkm.-Kohlm. – 1 species