Galea, H. R., Ferry, R. and Bertot, J.-M. (2012) “Medusoids in the life cycle of Dentitheca dendritica (Nutting, 1900) and Nemalecium gracile sp. nov. (Cnidaria: Hydrozoa)”, Zootaxa. Auckland, New Zealand, 3527(1), pp. 43–54. doi: 10.11646/zootaxa.3527.1.3.