organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protoctista Hogg, 1860 Phylum Gamophyta Class Euconjugatae see Suborder Zygnematineae 1 Order Mesotaenioideae see Family Mesotaeniaceae 2 Order Zygnemoideae see Family Zygnemataceae (Meneghini) Kützing (1843)