Du, F. -Y. , Xu, Z. -Z. , Huang, J. -Q. , Guo, D. -H. , Jiang, Y. -E. , & Lin, Z. -J. 2009. Four new species and two new records of hydrozoa from the northern of south china sea and its adjacent waters, China (Cnidaria, Automedusa, Hydroidomedusa). Acta Z