Lagynochthonius leemouldi is a species of pseudoscorpion in the Chthoniidae family. It is endemic to Australia. It was described in 2008 by Australian arachnologists Karen Edward and Mark Harvey.[1]
The species occurs in the Pilbara region of North West Australia. The type locality is a borehole on Yarrie Station, some 170 km south-east of Port Hedland.[1]
The arachnids are cave-dwelling, terrestrial predators.