Othelosoma hepaticarum, the toffee flatworm, is a species of land planarian in the family Microplaninae endemic to South Africa.
Othelosoma hepaticarum generally is around 35âÂÂ40 mm long and 3 mm wide. The dorsal side is a dark brown color, and the ventral side can vary from a light, fawn-like color to an unpigmented white. On the dorsal side there is a light brown or fawn midline; the pigment on the rest of the dorsal surface is slightly darker as it approaches the line's edge.
Othelosoma hepaticarum is endemic to South Africa. The type specimens were found in the Kwazulu-Natal province, in damp earth under liverworts and stones; observations have additionally been made in other areas of the country such as within the Gauteng and Western Cape provinces.