Parent taxon: Metazoa according to C. Nielsen 2012
See also Edgecombe et al. 2011 and Zrzavy et al. 1998
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Muricassis, Siphonoconcha, Kinzeriidae, Yunnanomedusa, Lazaichnus, Khasaktidae, Helanoichnus, Problematica, Arboreomorpha, Kimberellomorpha, Agmata, Persimedusites, Macrocypris kayi, Erniettomorpha, Gephyrea, Chondroplon, Palaeacmaea, Pentaradialomorpha, Deuteronectanebos, Bilaterialomorpha, Epitheliozoa, Parazoa, Petalonamae, Oligoopilionus, Trichoplax, Triradialomorpha, Yangtziramulus, Yelovichnus, Tentaculitoidea, Eodiorygma, Lidaconus, Spygoria, Limacites, Mesozoa, Sentularia, Odontogriphidae, Cnidaria, Goettingenia, Somatohelix, Atalotaenia, Eumetazoa, Convolutubus, Dorfopterus, Subtilicyathus, Silicispongea, Porifera, Lomosovis, Xidazoon, Bomakellia, Proarticulata, Euradiculata, Kuckaraukia, Ventogyrus, Dictyorhabdus, Chenmengella, Hadryniscala, Scenellopsis, Tetraradialomorpha, Protolyellia, Hadrynichorde, Bronicella, Evmiaksia, Megathrix, Gaojiashania, Broccoliforma
Subtaxa: none
Distribution: there are no occurrences of Silicea in the database