Payne, R. P.; Samaai, T.; Janson, L.; Kerwath, S. E.; Gibbons, M. J. Eleven New Heteroscleromorph Demospongiae (Porifera), and a New Record of the Tetractinellid Ancorina corticata, from Walters Shoal, a Shallow Seamount on the Madagascar Ridge in the South West Indian Ocean (SWIO). Zootaxa 2025, 5575, 1-56.