López-Gózalez, Pablo J., Jim Drewery, and Gary C. Williams. “A New Family for the Enigmatic Sea Pen Genus Gyrophyllum Studer, 1891 (Octocorallia, Pennatulacea), a Molecular and Morphological Approach”. European Journal of Taxonomy 847, no. 1 (November 25, 2022): 73–103. Accessed April 24, 2026. https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/1983.