Parent taxon: Cnidaria according to J. J., Jr. Sepkoski 2002
Sister taxa: Anthozoa, Cambroctoconus, Cambrorhytium, Crassitubus, Erniettamorpha, Escumasia, Haootia, Hydroconozoa, Kimberia, Liaoningia, Medusozoa, Melanofurcata, Melanosteus, Melanostylus, Myxozoa, Priscapennamarina, Pywackia, Quadratitubus, Ramellina, Ramitubus, Sinocyclocyclicus, Spatangopsis, Syringophyllum, Thaumoptilon, Vauzutsubua, Xianguangia, Zolotytsia
Subtaxa: Bonata Cambromedusa Cordubia Duodecimedusina Irridinites Irridinitus Jixiella Lorenzinites Mashania Medusytes Nadalina Orthogonium Parasolia Patanacta Pseudorhizostomites Staurinidia
Distribution:
• Marjumian of United States (1: Utah collection)
• Cambrian of Spain (1), United States (1: Utah)
• Wonokan of Canada (1: Yukon)
• Ediacaran of Australia (2), Canada (2: British Columbia, Northwest Territories), Namibia (1), the Russian Federation (3)
Total: 12 collections including 14 occurrences