Branchiopoda
/ˌbræŋkɪəˈpəʊdə/- Zoology a class of small aquatic crustaceans that includes water fleas and fairy shrimps, which are distinguished by having gills upon the feet【动】鳃足纲动物（水栖小型甲壳类动物, 包括水蚤和丰年虫, 特点是其鳃长在足上而非在头部）。
派生词
branchiopod
/ˈbræŋkɪəpɒd/ noun词源
modern Latin (plural)， from Greek brankhia 'gills' + pous， pod -'foot'.