Wei, N., de Smet, W.H. and Xu1, R. 2011. Two new brackish-water species of Testudinella (Rotifera: Testudinellidae) from Qi’ao Island in the Pearl River estuary, China, with a key to marine and brackish-water Testudinella . Zootaxa. 3051, 1 (Oct. 2011), 41–56. DOI:https://doi.org/10.11646/zootaxa.3051.1.3.