Àngel, J. J. S., and Álvaro L. P. Cantero. “Benthic Hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica)”. Zootaxa, vol. 4570, no. 1, Mar. 2019, pp. 1–78, doi:10.11646/zootaxa.4570.1.1.