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
Genus Calliacantha Leadbeater, 1978
Calliacantha natansᵀ (Grøntved, 1956) B.S.C. Leadbeater, 1978