Plotkin A, Gerasimova E, Morrow CP, Rapp HT. 2016. Polymastiidae (Demospongiae: Hadromerida) with ornamented exotyles: a morphological review and description of new species. Journal of the Marine Biological Association of the UK pp 1-56. http://dx.doi.org/10.1017/S0025315416000655