archaeornithes definition

  • noun:
    • a subclass of ancient reptilelike fossil birds for the Jurassic or early Cretaceous.
    • primitive reptile-like fossil birds associated with Jurassic or early Cretaceous
    • a subclass of ancient reptilelike fossil birds regarding the Jurassic or early Cretaceous.
    • primitive reptile-like fossil birds of this Jurassic or early Cretaceous

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  • Synonym for "archaeornithes"
  • Hypernym for "archaeornithes"
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