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prototherian

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
prototherian [ˌprəʊtəʊˈθɪərɪən]
adj
(Life Sciences & Allied Applications / Animals) of, relating to, or belonging to the Prototheria, a subclass of mammals that includes the monotremes
n
(Life Sciences & Allied Applications / Animals) any prototherian mammal; a monotreme Compare eutherian, metatherian
[New Latin, from proto- + Greek theria wild animals]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.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
egg-laying mammal, monotreme - the most primitive mammals comprising the only extant members of the subclass Prototheria


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