Full reference: H. D. Pflug. 1972. Zur Fauna der Nama-Schichten in Südwest-Afrika. III. Emiettomorpha, Bau und Systematik. Paläontographica Abt. A 139:134-170
Parent taxon: Metazoa according to B. Runnegar et al. 2024
See also Elliott et al. 2016, Erwin et al. 2011 and Sepkoski 2002
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Persimedusites, Ventogyrus, Khasaktidae, Muricassis, Mesozoa, Yelovichnus, Convolutubus, Problematica, Hadryniscala, Yunnanomedusa, Porifera, Euradiculata, Odontogriphidae, Lomosovis, Dictyorhabdus, Sentularia, Siphonoconcha, Tetraradialomorpha, Parazoa, Epitheliozoa, Triradialomorpha, Lazaichnus, Goettingenia, Kuckaraukia, Chondroplon, Lidaconus, Yangtziramulus, Limacites, Proarticulata, Tentaculitoidea, Eumetazoa, Oligoopilionus, Petalonamae, Subtilicyathus, Atalotaenia, Spygoria, Palaeacmaea, Scenellopsis, Helanoichnus, Trichoplax, Chenmengella, Evmiaksia, Xidazoon, Silicispongea, Kinzeriidae, Macrocypris kayi, Gephyrea, Bronicella, Deuteronectanebos, Cnidaria, Gaojiashania, Silicea, Hadrynichorde, Pentaradialomorpha, Kimberellomorpha, Bomakellia, Eodiorygma, Somatohelix, Bilaterialomorpha, Dorfopterus, Broccoliforma, Arboreomorpha, Protolyellia, Megathrix
Subtaxa: Aulozoon Erniettidae Kuibisia Mialsemia Miettia Namalia Nasepia Palaeoplatoda Phyllozoon Pteridinium Swartpuntia Valdainia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Australia (1 collection), Namibia (1), United States (1: California)
• Waucoban of United States (1: California)
• Ediacaran of Australia (16), Canada (4: British Columbia, Northwest Territories), China (3), Mexico (1), Namibia (19), the Russian Federation (4), South Africa (1), United States (9: Nevada, North Carolina)
Total: 61 collections including 85 occurrences