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, Hadrynichorde, Gaojiashania, Trichoplax, Bronicella, Lazaichnus, Tentaculitoidea, Dorfopterus, Limacites, Persimedusites, Goettingenia, Bilaterialomorpha, Chondroplon, Tetraradialomorpha, Yunnanomedusa, Cnidaria, Yelovichnus, Porifera, Lomosovis, Silicea, Problematica, Triradialomorpha, Gephyrea, Yangtziramulus, Epitheliozoa, Ventogyrus, Proarticulata, Eodiorygma, Oligoopilionus, Khasaktidae, Pentaradialomorpha, Deuteronectanebos, Odontogriphidae, Eumetazoa, Spygoria, Mesozoa, Muricassis, Kinzeriidae, Euradiculata, Kimberellomorpha, Lidaconus, Xidazoon, Subtilicyathus, Agmata, Hadryniscala, Atalotaenia, Megathrix, Helanoichnus, Arboreomorpha, Erniettomorpha, Bomakellia, Somatohelix, Sentularia, Silicispongea, Macrocypris kayi, Petalonamae, Parazoa, Evmiaksia, Broccoliforma, Chenmengella, Scenellopsis, Kuckaraukia, Dictyorhabdus, Protolyellia, Palaeacmaea, Convolutubus
Subtaxa: Tianzhushanelliformes
Distribution:
• Cambrian of Australia (30 collections), China (4), Greenland (2), the Russian Federation (3), Türkiye (1)
Total: 40 collections including 72 occurrences