The fauna of Hydromedusae in Daya Bay belong to Indo-Malayan Subregion of Indo-West-Pacific Region.

大亚湾海域水螅水母类，其动物地理区划属印度-西太平洋区印-马亚区。

youdao

Considering classification of Bivalvia fauna of Vietnam coast, the fauna should belong to the Indo-Malayan subregion under the Indo-west Pacific region.

就越南沿海双壳纲软体动物分类区系而论，应属印度—西太平洋区的印尼—马来亚区。

youdao