Lu, Y.-H., C.-C. Wu, X.-J. Xia, and A.-T. Wang. “Two New Species of Gieysztoria (Platyhelminthes, Rhabdocoela, Dalyelliidae) from a Freshwater Artificial Lake in Shenzhen, China”. Zootaxa, vol. 3745, no. 5, Dec. 2013, pp. 569–578, doi:10.11646/zootaxa.3745.5.5.