Manotremata | definition of Manotremata by Medical dictionary
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A member of the order Monotremata.
Any of various egg-laying mammals of the order Monotremata of Australia and New Guinea, whose only living members are the platypus and the echidnas.
mon′o·trem′a·tous (-trĕm′ə-təs) adj.
monotreme any mammal of the primitive subclass Monotremata, including the duck-billed platypus and spiny anteater. Monotremes differ from other mammals in laying eggs, and in having a single opening (CLOACA) for the passage of eggs or sperm, faeces and urine. They inhabit Australia and New Guinea.