[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Chrysophyceae Fritsch (1927)
       Order Bicosoecales Grassé (1926) see Order Bicosoecida Grassé, 1926
         Family Bicosoecaceae F. Stein (1878) see Family Bicosoecidae Stein, 1878
           Genus Bicosoeca James-Clark, 1866
             1 Bicosoeca mediterranea Pavillard (1916)