Risaro, J., Williams, G. C., Pereyra, D. and Lauretta, D. (2020) “Umbellula pomona sp. nov., a new sea pen from Mar del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea)”, European Journal of Taxonomy, 720(1), pp. 121–143. doi: 10.5852/ejt.2020.720.1121.