Synsphyronus amplissimus

Synsphyronus amplissimus is a species of pseudoscorpion in the Garypidae family. It is endemic to Australia. It was described in 1987 by Australian arachnologist Mark Harvey. The specific epithet amplissimus (Latin: 'largest') refers to its size relative to its congeners.

Description
The body length of females is 5.6–5.9 mm. Colouration is reddish-brown.

Distribution and habitat
The species occurs in the southern Northern Territory. The type locality is Mount Conner.

Behaviour
The pseudoscorpions are terrestrial predators.