organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protoctista Hogg, 1860 Phylum Zoomastigina see Phylum Discomitochondria Class "pyrsonymphids" Genus Pyrsonympha Leidy, 1877