Achilleos, K., D. P. Gordon, and A. M. Smith. “Cellaria (Bryozoa, Cheilostomata) from the Deep: New Species from the Southern Zealandian Region”. Zootaxa, vol. 4801, no. 2, June 2020, pp. 201–236, doi:10.11646/zootaxa.4801.2.1.