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Definition for "archaeornithes"
- a subclass of ancient reptilelike fossil birds for…
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Synonym for "archaeornithes"
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Hypernym for "archaeornithes"
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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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How would you define archaeornithes?