Othelosoma conyum is a species of land planarians in the family Microplaninae. It is found in the Democratic Republic of the Congo.[1]
Othelosoma conyum was first described in 1953 by zoologist Ernst Marcus. The description was part of many made by Marcus for a collection of triclads brought to him from an exploration in Upemba National Park regarding endemic flora and fauna.[2]
Othelosoma conyum is around 22–26 mm long and around 1.4 mm wide. The body is bluntly rounded at the front and tapers towards the back. The dorsal side is a rusty brown color that lightens as it approaches the ventral side; the ventral side is a whitish color. The front end of the dorsal side is slightly darker than the rest. The dorsal side has a black midline flanked by two lighter bands.