[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Chlorophycota see Phylum Chlorophyta Pascher (1914)
       Class Chlorophyceae Wille (1884) - chlorophytes
         Order Dasycladales Pascher (1931)
           Family Polyphysaceae Kützing
             Genus Acetabularia J.V. Lamour. (1812)
               1 Acetabularia acetabulum (L.) P.C.Silva (1952)
               2 Acetabularia calyculus J.V. Lamour. (1824)
               3 Acetabularia parvula Solms-Laubach (1895)
               4 Acetabularia polyphysoides P.L. Crouan & H.M. Crouan