Full reference: D. Garcia-Bellido Capdevila and S. Conway Morris. 1999. New fossil worms from the Lower Cambrian of the Kinzers Formation, Pennsylvania, with some comments on Burgess Shale-type preservation. Journal of Paleontology 73(3):394-402
Parent taxon: Metazoa according to D. Garcia-Bellido Capdevila and S. Conway Morris 1999
Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Vertebrosa, Westgardia, Lidaconus, Sentularia, Lomosovis, Bronicella, Triradialomorpha, Spygoria, Hadrynichorde, Lazaichnus, Euradiculata, Helanoichnus, Broccoliforma, Xidazoon, Kimberellomorpha, Silicispongea, Persimedusites, Hadryniscala, Yangtziramulus, Chondroplon, Epitheliozoa, Dorfopterus, Agmata, Gaojiashania, Ventogyrus, Gephyrea, Limacites, Eodiorygma, Protolyellia, Silicea, Siphonoconcha, Mesozoa, Dictyorhabdus, Odontogriphidae, Atalotaenia, Yunnanomedusa, Convolutubus, Arboreomorpha, Khasaktidae, Problematica, Petalonamae, Bilaterialomorpha, Macrocypris kayi, Evmiaksia, Porifera, Chenmengella, Yelovichnus, Somatohelix, Palaeacmaea, Bomakellia, Trichoplax, Cnidaria, Parazoa, Deuteronectanebos, Scenellopsis, Kuckaraukia, Subtilicyathus, Tetraradialomorpha, Muricassis, Proarticulata, Eumetazoa, Megathrix, Pentaradialomorpha, Erniettomorpha, Goettingenia, Tentaculitoidea, Oligoopilionus
Subtaxa: Kinzeria
Distribution:
• Cambrian of United States (2: Pennsylvania, Utah collections)
Total: 2 collections each including a single occurrence