Full reference: M. A. Fedonkin. 1985. Precambrian metazoans: the problems of preservation, systematics and evolution. Philosophical Transactions of the Royal Society, London B 311:27-45
Parent taxon: Metazoa according to A. Y. Ivantsov 2001
See also Fedonkin 1985
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Tetraradialomorpha, Broccoliforma, Parazoa, Dictyorhabdus, Chondroplon, Arboreomorpha, Epitheliozoa, Yunnanomedusa, Odontogriphidae, Mesozoa, Silicea, Xidazoon, Gaojiashania, Erniettomorpha, Ventogyrus, Evmiaksia, Megathrix, Tentaculitoidea, Gephyrea, Sentularia, Helanoichnus, Bomakellia, Subtilicyathus, Protolyellia, Nectocarididae, Khasaktidae, Kinzeriidae, Problematica, Kimberellomorpha, Euradiculata, Somatohelix, Yangtziramulus, Bilaterialomorpha, Pentaradialomorpha, Muricassis, Eodiorygma, Agmata, Cnidaria, Rhizostomites, Goettingenia, Porifera, Bronicella, Oligoopilionus, Palaeacmaea, Petalonamae, Triradialomorpha, Hadrynichorde, Spygoria, Hadryniscala, Eumetazoa, Atalotaenia, Scenellopsis, Convolutubus, Lazaichnus, Siphonoconcha, Limacites, Macrocypris kayi, Silicispongea, Trichoplax, Persimedusites, Lidaconus, Chenmengella, Yelovichnus, Deuteronectanebos, Lomosovis, Kuckaraukia
Subtaxa: Cephalozoa Dipleurozoa Vendiamorpha