organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protoctista Hogg, 1860 Phylum Gamophyta Class Desmidioideae see Suborder Desmidiineae Family Penieae see Family Peniaceae Haeckel (1894) Genus Penium Bréb. ex Ralfs (1848)