Parent taxon: Animalia according to M. A. Ruggiero et al. 2015
See also Edgecombe et al. 2011, Nielsen 2012 and Zrzavy et al. 1998
Sister taxa: Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Kimberellomorpha, Chenmengella, Ventogyrus, Evmiaksia, Parazoa, Scenellopsis, Arboreomorpha, Megathrix, Dictyorhabdus, Deuteronectanebos, Porifera, Limacites, Dorfopterus, Odontogriphidae, Khasaktidae, Bomakellia, Protolyellia, Spygoria, Yunnanomedusa, Bilaterialomorpha, Yangtziramulus, Goettingenia, Problematica, Eumetazoa, Agmata, Kinzeriidae, Somatohelix, Bronicella, Macrocypris kayi, Palaeacmaea, Lidaconus, Lazaichnus, Helanoichnus, Broccoliforma, Hadryniscala, Gephyrea, Silicea, Hadrynichorde, Silicispongea, Pentaradialomorpha, Mesozoa, Kuckaraukia, Xidazoon, Tentaculitoidea, Tetraradialomorpha, Eodiorygma, Oligoopilionus, Epitheliozoa, Persimedusites, Subtilicyathus, Chondroplon, Triradialomorpha, Cnidaria, Siphonoconcha, Gaojiashania, Yelovichnus, Convolutubus, Petalonamae, Sentularia, Atalotaenia, Lomosovis, Proarticulata, Muricassis, Erniettomorpha, Trichoplax, Euradiculata
Subtaxa: Alienum Dickinsoniomorpha Eubilateria Ikaria Rhombocorniculum Siphusauctidae