Stampar, S. N., Tronolone, V. B., & Morandini, A. C. (2006). Description and life cycle of the hydrozoan Hydractinia uniformis, sp. nov. (Cnidaria: Hydrozoa: Hydractiniidae), from the coast of southeastern Brazil. Zootaxa, 1200(1), 43–60. https://doi.org/10.11646/zootaxa.1200.1.4