PROTOTHERIAN

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Primitive oviparous mammals found only in Australia and Tasmania and New Guinea

Classified under:

Nouns denoting animals

Hypernyms ("prototherian" is a kind of...):

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)

Hyponyms (each of the following is a kind of "prototherian"):

egg-laying mammal; monotreme (the most primitive mammals comprising the only extant members of the subclass Prototheria)

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