[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 Acrochaetiales Feldmann
           Family Acrochaetiaceae Melch. (1954), nom. cons.
             Genus Acrochaetium Nägeli (1858)
               Acrochaetium hallandicum (Kylin) G. Hamel (1927) see Colaconema hallandicum (Kylin) Afonso-Carillo, Sansón, Sangil & Díaz-Villa (2007)