GradungulaGradungula is a monotypic genus of South Pacific large-clawed spiders containing the single species, Gradungula sorenseni. It is only found in New Zealand.EtymologyThe genus name is derived from Latin gradus "step" and ungula "claw", referring to the enlarged front leg claws of this species. These claws also occur in other species of the family Gradungulidae. The species is named after Jack Sorensen, the discoverer of the species.TaxonomyGradungula sorenseni was first described by Raymond Robert Forster in 1955.DistributionGradungula sorenseni is distributed in forests throughout the western South Island of New Zealand and throughout Stewart Island.