Wei, N., de Smet, W.H. & 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), 41–56.