 monotreme |
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| 1. | [ noun ] (zoology) the most primitive mammals comprising the only extant members of the subclass Prototheria | |
| Synonyms: | egg-laying_mammal | |
| Related terms: | prototherian platypus echidna echidna | |
| Similar spelling: |
Monotremata mounter Montrose Montreal moon_trefoil Montreuil Monotropa monitrice mount_ranier Montroy montrachet |
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