Sun, X.-X.; Wang, L.; LI, N.; Sluys, R.; Liu, D.-Z.; Dong, Z.-M.; Chen, G.-W. (2024). Two species of Polycelis (Platyhelminthes, Tricladida, Planariidae) newly recorded for the Qinling Mountains and the Loess Plateau in China, with a comparative discussion on their karyotypes.
Zootaxa. 5536(4): 581-599.