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