[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Rhodophycota
       Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
         Order Nemaliales F.Schmitz (1892)
           Family Liagoraceae Kützing (1843)
             1 Genus Cylindraxis Kraft (1989)
             2 Genus Dermonema Harv. ex Heydrich (1894)
             3 Genus Ganonema K.C. Fan & Y.C. Wang (1974)
             4 Genus Helminthocladia J.Agardh (1851), nom. cons.
             5 Genus Helminthora J.Agardh (1851), nom. cons.
             6 Genus Liagora Lamouroux (1812)
             7 Genus Nemalion Duby (1830)
             8 Genus Trichogloeopsis I.A.Abbott & Doty (1960)