单词	Pantotheria
释义	Pantotheria plural noun Pan·​to·​the·​ria ˌpantəˈthirēə : an order or other division of generalized mammals widespread during the Jurassic and commonly conceded to be ancestral to the marsupials and placental mammals pantotherian ¦⸗⸗¦thirēən adjective or noun Word History Etymology New Latin, from panto- + -theria
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