Pan-Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   [crown] Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
     [crown] Eukarya R. Creti, F. Citarella, O. Tiboni, A. Sanangelantoni, P. Palm & P. Cammarano 1991 [Simpson 2020] see Domain Eukarya Chatton, 1925
       [crown] Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
         [crown] Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
           [crown] Metazoa Haeckel 1874 [Garey & Halanych 2020] see Kingdom Animalia Linnaeus, 1758
             Bilateria Hatschek 1888 [Lake, Garey, Servin & Halanych 2020] see Subkingdom Bilateria Hatschek, 1888
               Deuterostomia Grobben 1908 [Garey, Cameron, Halanych, Servin & Lake 2020] see Infrakingdom Deuterostomia Grobben, 1908
                 [crown] Ambulacraria Metschnikoff 1881 [Cameron & Nanglu 2020]
                   Pan-Echinodermata Sumrall 2020
                     [crown] Echinodermata Klein 1754 [Sumrall 2020] see Phylum Echinodermata Bruguière, 1789
                       †Isorophida Bell 1976 [Sumrall 2020] see Order Isorophida Bell, 1976
                         †Isorophina Bell 1976 [Sumrall 2020]
                           †Agelacrinitidae Chapman 1860 [Sumrall 2020]
                             1 †Lepidodiscina Sumrall 2020
                             2 †Discocystinae Sumrall 1996 [Sumrall 2020]