Placentalia 有胎盤類
Plac·en·ta·lia /ˌplæsṇˈtelɪə/ 名詞 複數 胎盤動物(動)
Plac·en·ta·li·a n. pl. Zool. A division of Mammalia including those that have a placenta, or all the orders above the marsupials. ◄ ►