organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protoctista Hogg, 1860 Phylum Chlorophyta Pascher (1914) - green algae Class Chaetophorales Wille see Order Chaetophorales Wille Genus Stigeoclonium Kützing (1843), nom. cons., orth. cons.