life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925 Kingdom Protoctista Hogg, 1860 Phylum Haptomonada Genus Emiliania W.W. Hay & H. Mohler (1967) Emiliania huxleyi (Lohmann) Hay & Mohler (1967)