In J. D. Dana's classification of the mammals: a mammal of the former order Oötocoidea (or Oöticoidea), which comprised the marsupials and monotremes.
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| 释义 | the world > animals > mammals > group Implacenta > [noun] > member of (1) ootocoid1863 In J. D. Dana's classification of the mammals: a mammal of the former order Oötocoidea (or Oöticoidea), which comprised the marsupials and monotremes. |
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