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