The female has a deep depression behind the eyes.
The abdomen is spherical in side view and lacks projecting dorsal humps.
The female used to describe Zephyrarchaea grayi measured 3.36 mm long. Its carapace was 1.13 mm long and 1.94 mm high, taller than its front-to-back length. The front of the chelicerae lacks accessory hairs.
The name is based on one female collected at night by Mike Gray at Delley’s Dell in Grampians National Park, Victoria, on 26 March 1974. Thirty-eight years elapsed before it was described as a new species in 2012. The name grayi honours both Gray’s contributions to arachnology and his discovery of this spider.
Targeted searching at the original locality in March 2010 yielded no new specimens; the site had recently burnt. The 2012 paper records this result alongside the detailed description of the original female. That preserved specimen documented the new species, while rediscovering it in the field remained a research task.
An extinction-risk assessment has not been added yet.
An Australian government explanation updated in August 2026 identifies potential threats including fire regimes that reduce biodiversity, climate change, and habitat loss or degradation through clearing and plant dieback. The Threatened Species Scientific Committee considers data insufficient to determine declines across the species’ range or threat impacts on its national population. Surveys to rediscover the spider and document its habitat and fire impacts would provide a basis for conservation.