Words Like PROTOTHERIAN

We have put together a list of words that are similar to PROTOTHERIAN.

1 Alternative Words Similar to prototherian

1 Monotreme Noun      Hyponym Words Like Monotreme

5 definitions of prototherian

1 primitive oviparous mammals found only in Australia and Tasmania and New Guinea
2 Primitively mammalian; primeval or ancestral, as a mammal; of or pertaining to the Prototheria in either sense.
3 A member of the Prototheria, hypothetical or actual.
4 Belonging or pertaining to the subclass Prototheria of monotremes.
5 Any of the egg-laying mammals of the subclass Prototheria; a monotreme.
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