Risaro, Jessica, Gary C. Williams, Daniela Pereyra, and Daniel Lauretta. “Umbellula Pomona Sp. Nov., a New Sea Pen from Mar Del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea)”. European Journal of Taxonomy 720, no. 1 (October 13, 2020): 121–143. Accessed October 26, 2020. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1121.