Ghost slug

The ghost slug, Selenochlamys ysbryda, is a species of predatory air-breathing land slug. It is a shell-less pulmonate gastropod mollusc in the family Trigonochlamydidae.

The species was first recognised from various sites in Wales and was formally described and named in 2008 by Ben Rowson, a taxonomist at the National Museum Wales (Amgueddfa Cymru), and Bill Symondson, an ecologist at Cardiff University. It has subsequently turned up at numerous further sites in South Wales and a few sites in England, but it is believed to be an introduction in the UK, occurring mostly in gardens.