organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g
     flagellated protists
    Count: 2p;5c;16o;45f;366g; †1g
       Order Prymnesiida Cavalier-Smith see Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000)
      Count: 21g
         Suborder Prymnesiina Cavalier-Smith see Class Prymnesiophyceae D.J. Hibberd (1976)
        Count: 19g
           Genus Cruciplacolithus Hay & Mohler
          Count: -