Full reference: S. Conway Morris. 1993. Ediacaran-like fossils in Cambrian Burgess Shale-type faunas of North America. Palaeontology 36(3):593-635
Parent taxon: Cnidaria according to B. Runnegar et al. 2024
Sister taxa: Annulatubus, Anthozoa, Cambroctoconus, Cambrorhytium, Cloudinidae, Crassitubus, Erniettamorpha, Escumasia, Haootia, Hydroconozoa, Inaria, Liaoningia, Mawsonites, Medusae, Medusozoa, Melanofurcata, Melanosteus, Melanostylus, Myxozoa, Priscapennamarina, Pywackia, Quadratitubus, Ramellina, Ramitubus, Sekwitubulus, Sinocyclocyclicus, Spatangopsis, Syringophyllum, Thaumoptilon, Vauzutsubua, Zolotytsia
Subtaxa: Archaeichnium Mackenzia
Type: Mackenzia
Distribution:
• Cambrian of Canada (3: British Columbia collections)
• Ediacaran of Australia (2), Namibia (5), United States (1: Nevada)
Total: 11 collections each including a single occurrence