Vangunu giant rat () survives in the Zaira Community Resource Management Area, Solomon Islands.

Described in 2017 and known only from the holotype, is surely among the world's least studied rodents. This critically endangered species is facing a rapidly increasing scale for threat from logging of its primary lowland forest habitat, on the only island on which it occurs-Vangunu, Solomon Islands. However, a deep traditional ecological knowledge of is held by Vangunu's people.