organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     related to multicellular groups
       Order Choanoflagellida Kent, 1880 - choanoflagellates see Class Choanoflagellatea Cavalier-Smith, 1998
         Family Acanthoecidae Norris, 1965
           01 Genus Acanthocorbis Hara & Takahashi, 1984
           02 Genus Acanthoeca Ellis, 1930
           03 Genus Amoenoscopa Hara & Takahashi, 1987
           04 Genus Apheloecion Thomsen, 1983
           05 Genus Bicosta Leadbeater, 1978
           06 Genus Calliacantha Leadbeater, 1978
           07 Genus Calotheca Thomsen & Moestrup, 1983
           08 Genus Campyloacantha Hara & Takahashi, 1987
           09 Genus Conion Thomsen, 1982
           10 Genus Cosmoeca Thomsen, 1984
           11 Genus Crinolina Thomsen, 1976
           12 Genus Crucispina Espeland, 1986
           13 Genus Diaphanoeca Ellis, 1930
           14 Genus Diplotheca Valkanov, 1970, nom. illeg.
           15 Genus Kakoeca Buck & Marchant, 1990
           16 Genus Monocosta Thomsen, 1979
           17 Genus Nannoeca H.A. Thomsen, 1988
           18 Genus Parvicorbicula Deflandre, 1960
           19 Genus Platypleura Thomsen, 1983, nom. illeg.
           20 Genus Pleurasiga Schiller, 1925
           21 Genus Polyfibula Manton & Bremer, 1981
           22 Genus Polyoeca Kent, 1880
           23 Genus Saepicula Leadbeater, 1980
           24 Genus Saroeca Thomsen, 1979
           25 Genus Savillea Ellis, 1930
           26 Genus Spiraloecion Marchant & Perrin, 1986
           27 Genus Stephanacantha Thomsen, 1983
           28 Genus Stephanoeca Ellis, 1930
           29 Genus Syndetophyllum Thomsen & Moestrup, 1983