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, Persimedusites, Ventogyrus, Khasaktidae, Muricassis, Mesozoa, Yelovichnus, Convolutubus, Problematica, Hadryniscala, Yunnanomedusa, Porifera, Euradiculata, Odontogriphidae, Lomosovis, Dictyorhabdus, Sentularia, Siphonoconcha, Erniettomorpha, Tetraradialomorpha, Parazoa, Epitheliozoa, Triradialomorpha, Lazaichnus, Goettingenia, Kuckaraukia, Chondroplon, Lidaconus, Yangtziramulus, Limacites, Proarticulata, Tentaculitoidea, Eumetazoa, Oligoopilionus, Petalonamae, Subtilicyathus, Atalotaenia, Spygoria, Palaeacmaea, Scenellopsis, Helanoichnus, Trichoplax, Chenmengella, Evmiaksia, Xidazoon, Silicispongea, Kinzeriidae, Macrocypris kayi, Gephyrea, Bronicella, Deuteronectanebos, Cnidaria, Gaojiashania, Hadrynichorde, Pentaradialomorpha, Kimberellomorpha, Bomakellia, Eodiorygma, Somatohelix, Bilaterialomorpha, Dorfopterus, Broccoliforma, Arboreomorpha, Protolyellia, Megathrix
Subtaxa: none
Distribution: there are no occurrences of Silicea in the database