organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protista (Haeckel, 1866) - protists Phylum Myxomycetes Link, 1833 see Class Myxomycetes Link (1833) Genus Physarum Persoon, 1794