Noun ornithorhynchus has 1 sense
  1. Ornithorhynchus, genus Ornithorhynchus - type genus of the family Ornithorhynchidae
    --1 is a kind of mammal genus
    --1 is a member of Ornithorhynchidae, family Ornithorhynchidae
    --1 has members:
     platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
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