Full reference: P. Y.u. Parkhaev. 1998. Siphonoconcha-A new class of Early Cambrian bivalved organisms. Paleontological Journal 32(1):1-15
Parent taxon: Metazoa according to P. Yu. Parkhaev 1998
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Problematica, Parazoa, Lazaichnus, Ventogyrus, Kinzeriidae, Evmiaksia, Protolyellia, Megathrix, Convolutubus, Goettingenia, Khasaktidae, Yelovichnus, Broccoliforma, Epitheliozoa, Yangtziramulus, Atalotaenia, Bomakellia, Euradiculata, Triradialomorpha, Proarticulata, Arboreomorpha, Tentaculitoidea, Subtilicyathus, Persimedusites, Silicispongea, Eodiorygma, Tetraradialomorpha, Mesozoa, Somatohelix, Odontogriphidae, Lidaconus, Spygoria, Bilaterialomorpha, Yunnanomedusa, Chenmengella, Deuteronectanebos, Gephyrea, Silicea, Helanoichnus, Gaojiashania, Lomosovis, Kuckaraukia, Oligoopilionus, Dictyorhabdus, Cnidaria, Bronicella, Eumetazoa, Palaeacmaea, Erniettomorpha, Tomaculum, Petalonamae, Pentaradialomorpha, Macrocypris kayi, Sentularia, Scenellopsis, Xidazoon, Dorfopterus, Limacites, Porifera, Hadrynichorde, Muricassis, Trichoplax, Kimberellomorpha, Chondroplon, Hadryniscala
Subtaxa: Tianzhushanelliformes
Distribution:
• Cambrian of Australia (30 collections), China (4), Greenland (2), the Russian Federation (3), Türkiye (1)
Total: 40 collections including 72 occurrences