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Summary
Comparison of a specimen of Morum (Oniscidia) bruuni (Powell) collected alive off Raoul I., Kermadec Islands, with the holotype of Pulchroniscia delecta Garrard, 1961. from New South Wales, showed that the latter falls within the variation of the Kermadec Islands species. Like other species of Morum and subgenus Oniscidia. the type species of Pulchroniscia Garrard, 1961, has a disproportionately small head and operculum and lacks a radula. Pulchroniscia Garrard, 1961, is synonymised with Oniscidia Mörch, 1852. Morum (Oniscidia) grande (A. Adams, 1855) and Morum (Herculea) ponderosum (Hanley, 1858) are recorded from Queensland.