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, Parazoa, Scenellopsis, Subtilicyathus, Euradiculata, Tentaculitoidea, Evmiaksia, Lazaichnus, Chenmengella, Eodiorygma, Somatohelix, Triradialomorpha, Porifera, Pentaradialomorpha, Lidaconus, Dorfopterus, Eumetazoa, Ventogyrus, Petalonamae, Bomakellia, Erniettomorpha, Silicispongea, Proarticulata, Yelovichnus, Tetraradialomorpha, Gephyrea, Gaojiashania, Limacites, Khasaktidae, Spygoria, Sentularia, Kimberellomorpha, Silicea, Broccoliforma, Trichoplax, Macrocypris kayi, Kuckaraukia, Siphonoconcha, Bronicella, Hadryniscala, Atalotaenia, Odontogriphidae, Cnidaria, Hadrynichorde, Lomosovis, Xidazoon, Protolyellia, Megathrix, Mesozoa, Muricassis, Bilaterialomorpha, Persimedusites, Yangtziramulus, Epitheliozoa, Chondroplon, Yunnanomedusa, Convolutubus, Dictyorhabdus, Problematica, Oligoopilionus, Deuteronectanebos, Helanoichnus, Goettingenia, Kinzeriidae, Palaeacmaea
Subtaxa: Arborea Charniodiscus Khatyspytia Vaizitsinia
Distribution:
• Ediacaran of Australia (14 collections), Brazil (1), Canada (27: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Yukon), China (3), India (1), the Russian Federation (9), the United Kingdom (4)
• Wonokan of Canada (8: Northwest Territories, Yukon)
• Vendian of Canada (1: Northwest Territories), the Russian Federation (1)
Total: 69 collections including 88 occurrences