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Noun class reptilia has 1 sense
  1. Reptilia, class Reptilia - class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
    --1 is a kind of class
    --1 is a member of
     Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata
     --1 has members:
     reptile, reptilian; Anapsida, subclass Anapsida; Lepidosauria, subclass Lepidosauria; Archosauria, subclass Archosauria; Synapsida, subclass Synapsida
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