Parent taxon: Metazoa according to D. Elliott et al. 2016
See also Erwin et al. 2011 and Sepkoski 2002
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Namalia, Vertebrosa, Westgardia, Beltanelliformis, Protolyellia, Hadrynichorde, Palaeacmaea, Yunnanomedusa, Hadryniscala, Nectocarididae, Silicea, Tentaculitoidea, Lomosovis, Pentaradialomorpha, Mawsonites, Yelovichnus, Parviscopa, Convolutubus, Pseudovendia, Problematica, Epitheliozoa, Inaria, Bronicella, Dictyorhabdus, Funisia, Primocandelabrum, Ovatoscutum, Gephyrea, Evmiaksia, Spygoria, Paracharnia, Arboreomorpha, Triradialomorpha, Hiemalora, Megathrix, Persimedusites, Kinzeriidae, Muricassis, Siphonoconcha, Armillifera, Rangeomorpha, Cnidaria, Atalotaenia, Deuteronectanebos, Subtilicyathus, Sentularia, Khasaktidae, Trichoplax, Nemiana, Eumetazoa, Scenellopsis, Lidaconus, Euradiculata, Petalonamae, Oligoopilionus, Silicispongea, Xidazoon, Bilaterialomorpha, Porifera, Chenmengella, Odontogriphidae, Kullingia, Proarticulata, Somatohelix, Macrocypris kayi, Lazaichnus, Limacites, Agmata, Goettingenia, Mesozoa, Kimberellomorpha, Ventogyrus, Parazoa, Kuckaraukia, Bomakellia, Tetraradialomorpha, Yangtziramulus, Chondroplon, Rhizostomites, Eodiorygma
Subtaxa: Ernietta Kuibisia Mialsemia Nasepia Palaeoplatoda Phyllozoon Pteridinium Swartpuntia Valdainia Vendomia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Waucoban of United States (1: California collection)
• Cambrian of Australia (1), United States (1: California)
• Wonokan of Canada (1: Northwest Territories)
• Ediacaran of Australia (11), China (1), Namibia (11), the Russian Federation (3), United States (8: California, Nevada, North Carolina)
Total: 38 collections including 49 occurrences