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