Monotremata
單孔目
Mono·trema·ta /ˌmɑnəˈtrɛmətə, ˈtrɪm-/ 名詞 複數
單孔目(動物)
Mon·o·trem·a·ta n. pl. Zool. A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See Duck mole, under Duck, and Echidna.
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Monotremata
n : coextensive with the subclass Prototheria [syn: order
Monotremata]