Thlaosoma atkinsonii Celaenia atkinsoni is a species of Araneidae spider that is native to New Zealand and Australia.

[1][2] This species was described as Thlaosoma atkinsonii in 1880 by Octavius Pickard-Cambridge from a single female specimen collected in New Zealand.

[3] It was most recently revised in 1987, in which male and female specimens were described from Australia.

[1][2] This species is native to New Zealand and Australia.

[1][2] Under the New Zealand Threat Classification System, this species is listed as "Not Threatened" with the qualifier of "Secure Overseas".