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, Lomosovis, Helanoichnus, Chondroplon, Limacites, Parazoa, Epitheliozoa, Siphonoconcha, Eumetazoa, Oligoopilionus, Kinzeriidae, Porifera, Yunnanomedusa, Tetraradialomorpha, Sentularia, Ventogyrus, Chenmengella, Dictyorhabdus, Lidaconus, Petalonamae, Gaojiashania, Protolyellia, Broccoliforma, Pentaradialomorpha, Trichoplax, Hadryniscala, Somatohelix, Muricassis, Proarticulata, Bronicella, Yelovichnus, Kimberellomorpha, Gephyrea, Eodiorygma, Silicea, Deuteronectanebos, Subtilicyathus, Palaeacmaea, Silicispongea, Khasaktidae, Triradialomorpha, Scenellopsis, Problematica, Tentaculitoidea, Bilaterialomorpha, Bomakellia, Hadrynichorde, Arboreomorpha, Odontogriphidae, Dorfopterus, Spygoria, Yangtziramulus, Convolutubus, Kuckaraukia, Xidazoon, Goettingenia, Mesozoa, Macrocypris kayi, Euradiculata, Atalotaenia, Lazaichnus, Persimedusites, Cnidaria, Evmiaksia, Megathrix
Subtaxa: Aulozoon Erniettidae Kuibisia Mialsemia Miettia Namalia Nasepia Palaeoplatoda Phyllozoon Pteridinium Swartpuntia Valdainia
Distribution:
• Cambrian of Australia (1 collection), Namibia (1), United States (1: California)
• Waucoban of United States (1: California)
• Ediacaran of Australia (20), Canada (5: British Columbia, Newfoundland and Labrador, Northwest Territories), China (3), Mexico (1), Namibia (24), the Russian Federation (4), South Africa (1), United States (9: Nevada, North Carolina)
Total: 71 collections including 96 occurrences