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, Namalia, Vertebrosa, Westgardia, Primocandelabrum, Paracharnia, Yunnanomedusa, Lidaconus, Megathrix, Dictyorhabdus, Pseudovendia, Kinzeriidae, Mawsonites, Macrocypris kayi, Lomosovis, Kuckaraukia, Protolyellia, Khasaktidae, Beltanelliformis, Silicea, Petalonamae, Kimberellomorpha, Goettingenia, Rangeomorpha, Atalotaenia, Rhizostomites, Deuteronectanebos, Persimedusites, Subtilicyathus, Kullingia, Spygoria, Chenmengella, Silicispongea, Triradialomorpha, Hadrynichorde, Chondroplon, Evmiaksia, Euradiculata, Pentaradialomorpha, Limacites, Hiemalora, Mesozoa, Siphonoconcha, Yangtziramulus, Armillifera, Parazoa, Proarticulata, Convolutubus, Bronicella, Odontogriphidae, Eumetazoa, Oligoopilionus, Somatohelix, Tetraradialomorpha, Nectocarididae, Epitheliozoa, Palaeacmaea, Nemiana, Muricassis, Scenellopsis, Hadryniscala, Tentaculitoidea, Bomakellia, Parviscopa, Eodiorygma, Ventogyrus, Inaria, Agmata, Funisia, Trichoplax, Xidazoon, Cnidaria, Lazaichnus, Ovatoscutum, Sentularia, Porifera, Bilaterialomorpha, Gephyrea, Problematica, Erniettomorpha, Yelovichnus
Subtaxa: Arborea Charniodiscus Khatyspytia Vaizitsinia
Distribution:
• Wonokan of Canada (11: Northwest Territories, Yukon collections), the United Kingdom (1)
• Ediacaran of Australia (13), Canada (20: Newfoundland and Labrador, Northwest Territories), China (1), India (1), the Russian Federation (4), the United Kingdom (2)
Total: 53 collections including 59 occurrences