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, Dorfopterus, Cnidaria, Bomakellia, Xidazoon, Goettingenia, Trichoplax, Oligoopilionus, Hadryniscala, Bilaterialomorpha, Megathrix, Sentularia, Protolyellia, Siphonoconcha, Convolutubus, Broccoliforma, Evmiaksia, Bronicella, Yangtziramulus, Tetraradialomorpha, Somatohelix, Palaeacmaea, Odontogriphidae, Triradialomorpha, Eumetazoa, Arboreomorpha, Kuckaraukia, Silicea, Eodiorygma, Helanoichnus, Muricassis, Scenellopsis, Khasaktidae, Tomaculum, Lidaconus, Silicispongea, Atalotaenia, Petalonamae, Yunnanomedusa, Chenmengella, Spygoria, Mesozoa, Lazaichnus, Dictyorhabdus, Tentaculitoidea, Lomosovis, Gephyrea, Pentaradialomorpha, Ventogyrus, Gaojiashania, Problematica, Kimberellomorpha, Yelovichnus, Subtilicyathus, Hadrynichorde, Porifera, Persimedusites, Erniettomorpha, Proarticulata, Chondroplon, Parazoa, Deuteronectanebos, Limacites, Macrocypris kayi, Epitheliozoa, Euradiculata
Subtaxa: Kinzeria
Distribution:
• Cambrian of United States (2: Pennsylvania, Utah collections)
Total: 2 collections each including a single occurrence