original descriptionWarén A. & Crossland M.R.B. (1991). Revision of <i>Hypermastus</i> Pilsbry, 1899 and <i>Turveria</i> (Gastropoda: Prosobranchia: Eulimidae), two genera parasitic on sand dollars. <em>Records of the Australian Museum.</em> 43(1): 85-112., available online athttps://journals.australian.museum/warn-and-crossland-1991-rec-aust-mus-431-85112/[details]