ghost flatworm

== English == === Noun === ghost flatworm (plural ghost flatworms) Any of various translucent acoels of the genus Amphiscolops, characterized by a pair of prong-like posterior projections and commonly appearing uninvited in marine aquariums. ==== References ==== “Amphiscolops sp.01”, in reeflex.net‎[2], archived from the original on 4 May 2026