Class Mycetozoa de Bary, 1859 see Superclass Mycetozoa de Bary, 1859 ex Rostafinski, 1873
   Subclass Acrasia [monotypic]
     Order Acrasida Schröter, 1886 - acrasids
       1 Family Guttulinopsidae L. Olive, 1970
       2 Family Acrasidae Poche, 1913