Full reference: D. H. Erwin, M. Laflamme, S. M. Tweedt, E. A. Sperling, D. Pisani and K. J. Peterson. 2011. The Cambrian Conundrum: Early Divergence and Later Ecological Success in the Early History of Animals. Science 334(6059):1091-1097
Parent taxon: Metazoa according to D. H. Erwin et al. 2011
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Palaeacmaea, Tomaculum, Oligoopilionus, Silicea, Epitheliozoa, Atalotaenia, Dorfopterus, Goettingenia, Khasaktidae, Triradialomorpha, Bronicella, Gephyrea, Hadryniscala, Yunnanomedusa, Odontogriphidae, Trichoplax, Bilaterialomorpha, Pentaradialomorpha, Tetraradialomorpha, Yangtziramulus, Chenmengella, Yelovichnus, Protolyellia, Gaojiashania, Subtilicyathus, Hadrynichorde, Kuckaraukia, Deuteronectanebos, Silicispongea, Bomakellia, Chondroplon, Limacites, Muricassis, Mesozoa, Evmiaksia, Eumetazoa, Persimedusites, Xidazoon, Spygoria, Siphonoconcha, Lidaconus, Megathrix, Arboreomorpha, Erniettomorpha, Convolutubus, Eodiorygma, Somatohelix, Scenellopsis, Proarticulata, Euradiculata, Problematica, Parazoa, Helanoichnus, Petalonamae, Lomosovis, Cnidaria, Lazaichnus, Macrocypris kayi, Tentaculitoidea, Ventogyrus, Broccoliforma, Porifera, Dictyorhabdus, Kinzeriidae, Sentularia
Subtaxa: Kimberella Solza
Distribution:
• Vendian of the Russian Federation (1 collection)
• Ediacaran of Australia (5), Brazil (1), Canada (1: Northwest Territories), China (1), India (1), Iran (3), the Russian Federation (13)
Total: 26 collections including 28 occurrences