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
     related to multicellular groups
    Count: 2p;2c;5o;32f;322g;381s
       Order Choanoflagellida Kent, 1880 - choanoflagellates see Class Choanoflagellatea Cavalier-Smith, 1998
      Count: [f] 3f;42g;43s
         Family Acanthoecidae Norris, 1965
        Count: -
           01 Genus Acanthocorbis Hara & Takahashi, 1984
          Count: 1s
           02 Genus Acanthoeca Ellis, 1930
          Count: 1s
           03 Genus Amoenoscopa Hara & Takahashi, 1987
          Count: [*] 1s
           04 Genus Apheloecion Thomsen, 1983
          Count: 1s
           05 Genus Bicosta Leadbeater, 1978
          Count: 1s
           06 Genus Calliacantha Leadbeater, 1978
          Count: 1s
           07 Genus Calotheca Thomsen & Moestrup, 1983
          Count: [*] 1s
           08 Genus Campyloacantha Hara & Takahashi, 1987
          Count: 1s
           09 Genus Conion Thomsen, 1982
          Count: [*] 1s
           10 Genus Cosmoeca Thomsen, 1984
          Count: 1s
           11 Genus Crinolina Thomsen, 1976
          Count: 1s
           12 Genus Crucispina Espeland, 1986
          Count: 1s
           13 Genus Diaphanoeca Ellis, 1930
          Count: 1s
           14 Genus Diplotheca Valkanov, 1970, nom. illeg.
          Count: 1s
           15 Genus Kakoeca Buck & Marchant, 1990
          Count: [*] 1s
           16 Genus Monocosta Thomsen, 1979
          Count: [*] 1s
           17 Genus Nannoeca H.A. Thomsen, 1988
          Count: [*] 1s
           18 Genus Parvicorbicula Deflandre, 1960
          Count: 2s
           19 Genus Platypleura Thomsen, 1983, nom. illeg.
          Count: 1s
           20 Genus Pleurasiga Schiller, 1925
          Count: 1s
           21 Genus Polyfibula Manton & Bremer, 1981
          Count: 1s
           22 Genus Polyoeca Kent, 1880
          Count: 1s
           23 Genus Saepicula Leadbeater, 1980
          Count: 1s
           24 Genus Saroeca Thomsen, 1979
          Count: 1s
           25 Genus Savillea Ellis, 1930
          Count: 1s
           26 Genus Spiraloecion Marchant & Perrin, 1986
          Count: [*] 1s
           27 Genus Stephanacantha Thomsen, 1983
          Count: 1s
           28 Genus Stephanoeca Ellis, 1930
          Count: 1s
           29 Genus Syndetophyllum Thomsen & Moestrup, 1983
          Count: [*] 1s