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, Scenellopsis, Helanoichnus, Atalotaenia, Triradialomorpha, Broccoliforma, Khasaktidae, Porifera, Yangtziramulus, Lazaichnus, Nectocarididae, Arboreomorpha, Eumetazoa, Parazoa, Bilaterialomorpha, Megathrix, Ventogyrus, Rhizostomites, Pentaradialomorpha, Kinzeriidae, Odontogriphidae, Spygoria, Goettingenia, Bronicella, Evmiaksia, Problematica, Oligoopilionus, Kuckaraukia, Tentaculitoidea, Limacites, Chondroplon, Lomosovis, Agmata, Hadryniscala, Silicispongea, Erniettomorpha, Protolyellia, Trichoplax, Convolutubus, Yelovichnus, Siphonoconcha, Subtilicyathus, Gaojiashania, Proarticulata, Chenmengella, Kimberellomorpha, Xidazoon, Silicea, Deuteronectanebos, Eodiorygma, Gephyrea, Bomakellia, Lidaconus, Dictyorhabdus, Tetraradialomorpha, Cnidaria, Euradiculata, Persimedusites, Epitheliozoa, Muricassis, Yunnanomedusa, Somatohelix, Macrocypris kayi, Hadrynichorde, Palaeacmaea, Sentularia, Petalonamae
Subtaxa: Orthonecta Rhombozoa