Subclass Myxogastromycetidae see Subclass Myxogastria Fries, 1829
   Order Trichiales T. Macbr. (1899) see Order Trichiida Macbride, 1922
     Family Trichiaceae Chevall. (1826) see Family Trichiidae Chevallier, 1826
       Genus Arcyria Wiggers, 1780
       Genus Cornuvia Rostafinski, 1873
       Genus Hemitrichia Rostafinski, 1873
       Genus Metatrichia Ing, 1964, nom. illeg.
       Genus Oligonema Rostafinski, 1875
       Genus Perichaena Fries, 1817
       Genus Prototrichia Rostafinski, 1876
       Genus Trichia Haller, 1768