Dautova, T. N. “Two New Species of Deep-Water Calcigorgia Gorgonians (Anthozoa: Octocorallia) from the Kurile Islands, Sea of Okhotsk, With a Review of Distinctive Characters of the Known Species of the Genus”. European Journal of Taxonomy, no. 408, Feb. 2018, doi:10.5852/ejt.2018.408.