↑(en) Scrutton, C. (1997). The Palaeozoic corals, I: origins and relationships. Proceedings of the Yorkshire Geological Society51: 177-208. DOI: 10.1144/pygs.51.3.177.
↑(en) Peel, J. (2010). The coral Cothonion from the lower Cambrian of North Greenland. Alcheringa: An Australasian Journal of Palaeontology35: 405-411. DOI: 10.1080/03115518.2011.521438.