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