Othelosoma conyum is a species of land planarians in the family Microplaninae. It is found in the Democratic Republic of the Congo.
Taxonomy 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.Marcus, Er. (1953). Turbellaria Tricladida. In: Exploration du Parc National de l'Upemba. Mission GF De Witte (1946-1949). Inst Parcs Nationaux du Congo Belge., #21, 62 pp.
Description 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.
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