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, Atalotaenia, Limacites, Hadryniscala, Silicispongea, Protolyellia, Mesozoa, Dictyorhabdus, Siphonoconcha, Convolutubus, Somatohelix, Gephyrea, Lazaichnus, Chenmengella, Euradiculata, Lomosovis, Tetraradialomorpha, Subtilicyathus, Eumetazoa, Proarticulata, Yangtziramulus, Yelovichnus, Helanoichnus, Goettingenia, Persimedusites, Tentaculitoidea, Bilaterialomorpha, Xidazoon, Gaojiashania, Bomakellia, Yunnanomedusa, Palaeacmaea, Pentaradialomorpha, Dorfopterus, Ventogyrus, Epitheliozoa, Silicea, Cnidaria, Scenellopsis, Eodiorygma, Evmiaksia, Arboreomorpha, Sentularia, Kinzeriidae, Chondroplon, Kuckaraukia, Spygoria, Problematica, Parazoa, Triradialomorpha, Kimberellomorpha, Bronicella, Macrocypris kayi, Hadrynichorde, Tomaculum, Muricassis, Oligoopilionus, Broccoliforma, Petalonamae, Deuteronectanebos, Megathrix, Odontogriphidae, Lidaconus, Trichoplax, Khasaktidae, Porifera
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 (10: Nevada, North Carolina)
Total: 72 collections including 97 occurrences