Cantuaria aperta is a species of trapdoor spider endemic to New Zealand.[1]
This species was described in 1968 by Ray Forster from male specimens collected in Otago. The holotype is stored at Otago Museum.
The male has been recorded at 17.5mm in length. The carapace and legs are reddish brown. The abdomen is dark brown with three pale patches.
This species is only known from Waipiata in Otago New Zealand.
Under the New Zealand Threat Classification System, this species is listed as Data Deficient with the qualifiers "Data Poor: Size", "Data Poor: Trend", "One Location".[2]