organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Kingdom Chromista Caval.-Sm. (1981) - chromists Phylum Oomycota Arx (1967) Class Oomycetes G.Winter (1880) - oomycetes see Class Peronosporea Order Pythiales Family Pythiaceae Genus Halophytophthora H.H. Ho & S.C. Jong (1990)