Subclass Myxogastromycetidae see Subclass Myxogastria Fries, 1829
   Order Physarales T. Macbr. (1899) see Order Physarida Macbride, 1922
     Family Didymiaceae Rostaf. (1875) see Family Didymiidae Rostafiński, 1873
       Genus Diachea Fries, 1825
       Genus Diderma Persoon, 1794
       Genus Didymium Schrader, 1797
       Genus Lepidoderma de Bary, 1873
       Genus Mucilago Micheli ex Adanson, 1763