1. Beneden E van (1897) Les anthozoaires de la plankton expedition. Resultats de la Plankton Expedition der Humboldt-Stiftung. Lipsius & Tischer, Kiel, Leipzig
2. Brook G (1889) Report on the Antipatharia. Rep scient Results Voyage HMS Challenger (ser Zool) 32: 1?222, 15 plates
3. Doumene D (1971) Aspects morphologiques de la dévagination de spirocyste chez Actinia equina. J Microscopie 12: 263?270
4. Fautin DG (1988) Importance of nematocysts to actinian taxonomy. In Hessinger, DA, Lenhoff HM (eds) The biology of nematocysts Academic Press, New York, pp 487?500
5. Fautin DG, Mariscal RN (1991) Cnidaria: Anthozoa In: Harrison FW, Westfall JA (eds) Microscopic anatomy of invertebrates. Vol 2. Wiley-Liss, New York, pp 267?358