pro•to•the•ri•an
We found 3 definitions of prototherian from 3 different sources.
NounPlural: prototherians |
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prototherian - primitive oviparous mammals found only in Australia and Tasmania and New Guinea | ||
mammal, mammalian any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk |