Pflanzenreich Haeckel (1866) - plants
   Division Euthallophyta
     Subdivision Euphyceae
       Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
         1.1 Subclass Bangiales F.Schmitz [monotypic]
         1.2 Family Rhodochaetaceae F.Schmitz, incertae sedis [monotypic]
         1.3 Family Compsopogonaceae F.Schmitz (1896), incertae sedis
         2 Subclass Florideae