living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Eumycota see Kingdom Eumycota
           Subdivision Mastigomycotina
             Class Oomycetes G.Winter (1880) - oomycetes see Class Peronosporea
               Order Saprolegniales
                 ?Family Ectrogellaceae Cejp (1959)
                   Genus Ectrogella Zopf (1884)
                   Genus Eurychasma Magnus (1905)
                   Genus Eurychasmidium Sparrow (1936)
                   ?Genus Pythiella Couch (1935)