Schmidtea polychroa
Original source:
Holger Brandl, HongKee Moon, Miquel Vila-Farré, Shang-Yun Liu, Ian Henry, and Jochen C. Rink, 2016. PlanMine - a mineable resource of planarian biology and biodiversity. Nucleic Acids Res. 2016 Jan 4; 44(Database issue): D764–D773.