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. https://doi.org/10.11646/zootaxa.3051.1.3