Gaius aurora is a species of mygalomorph spider in the Idiopidae family. It is endemic to Australia. It was described in 2018 by Australian arachnologists Michael Rix, Robert Raven and Mark Harvey. The specific epithet aurora refers to the type locality.[1]
The species occurs in Western Australia in the Coolgardie bioregion. The type locality is Bungalbin Hill in the Helena and Aurora Range.[1]