Parent taxon: Metazoa according to S. M. Adl et al. 2005
See also Zrzavy et al. 1998
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Chondroplon, Subtilicyathus, Arboreomorpha, Chenmengella, Scenellopsis, Helanoichnus, Petalonamae, Xidazoon, Persimedusites, Tomaculum, Hadrynichorde, Muricassis, Gaojiashania, Bomakellia, Euradiculata, Lazaichnus, Evmiaksia, Proarticulata, Gephyrea, Eumetazoa, Macrocypris kayi, Palaeacmaea, Broccoliforma, Yelovichnus, Kinzeriidae, Odontogriphidae, Atalotaenia, Kuckaraukia, Tetraradialomorpha, Silicispongea, Tentaculitoidea, Limacites, Kimberellomorpha, Siphonoconcha, Bronicella, Dictyorhabdus, Spygoria, Problematica, Yangtziramulus, Triradialomorpha, Hadryniscala, Parazoa, Epitheliozoa, Convolutubus, Khasaktidae, Trichoplax, Porifera, Silicea, Erniettomorpha, Eodiorygma, Sentularia, Lidaconus, Cnidaria, Pentaradialomorpha, Lomosovis, Protolyellia, Dorfopterus, Goettingenia, Deuteronectanebos, Oligoopilionus, Ventogyrus, Yunnanomedusa, Bilaterialomorpha, Somatohelix, Megathrix
Subtaxa: Orthonecta Rhombozoa