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 Lagenidiales see Order Pythiales Family Sirolpidiaceae Sparrow ex Cejp (1959) Genus Sirolpidium H.E. Petersen (1905)