单词 | Ornithorhynchidae |
释义 | Ornithorhynchidae [´ȯr·nǝ·thō`riŋ·kǝ´dē] VERTEBRATE ZOOLOGY A monospecific order of monotremes containing the semiaquatic platypus; characterized by a duck-billed snout, horny plates instead of teeth in the adult, and a flattened, well-developed tail. |
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