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