Tautukua is a monotypic genus of Orsolobidae containing the single species, Tautukua isolata.
This genus was described in 1985 by Ray Forster and Norman Platnick from female specimens collected in the Catlins. The holotype is stored in Otago Museum.
The female is recorded at 2.80mm in length. The carapace is shaded around the eyes and the abdomen is shaded dorsally with pale markings.
This genus is only known from Tautuku in Otago, 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".