organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Xanthophyta Allorge, in Fritsch (1935) see Class Xanthophyceae P. Allorge ex Fritsch (1935)
       Genus Characiopsis A. Borzì (1895)
       Genus Chloridella Pascher (1932)
       Genus Mischococcus Naegeli (1849)
       Genus Tribonema Derbès & Solier (1851)
       Genus Vaucheria DC. (1801)
       1 Class Heterochloridales see Order Chloramoebales
       2 Class Heterococcales see Order Mischococcales
       3 Class Heterotrichales see Order Tribonematales Pascher (1939)
       4 Class Heterosiphonales see Order Vaucheriales Bohlin (1901)