Chenistonia trevallynia is a species of mygalomorph spider in the Anamidae family.

It was described in 1926 by Australian arachnologist Vernon Victor Hickman.

The type locality is Trevallyn, a suburb of Launceston in the north of the state.

[2] The spiders are fossorial, terrestrial predators.

They construct silk-lined tubes in burrows beneath logs and rocks in wet situations.