Cantuaria isolata is a species of trapdoor spider endemic to New Zealand.[1]
This species was described in 1968 by Ray Forster from female specimens collected in Foveaux Strait. The holotype is stored at Otago Museum.
The female is recorded at 11mm in length. The carapace and legs are orange brown. The abdomen has a reddish brown pattern on the dorsal surface.
his species is only known from an island in Foveaux Strait in New Zealand.
Under the New Zealand Threat Classification System, this species is listed as Data Deficient with the qualifiers of "Data Poor: Size", "Data Poor: Trend" and "One Location".[2]