[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 Audouinella Bory (1823), nom. cons., orth. cons.
               1 Audouinella boryana Abdel-Rahman & Magne (1984)
               2 Audouinella conchicola (Lami) G.R. South & Tittley (1986)