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