Cambridgea annulata is a species of Desidae that is endemic to New Zealand.
This species was originally described as a subspecies by Raymond Comte de Dalmas in 1917. It was elevated to species level in 1973.
The female is recorded at 12.9mm in length whereas the male is 12.5mm. The species closely resembles Cambridgea antipodiana.
This species is only known from the Chatham Islands, New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Not Threatened" with the qualifier of "Island Endemic".