Synonyms for subclass-archaeornithes

1. subclass Archaeornithes (n.)

primitive reptile-like fossil birds of the Jurassic or early Cretaceous

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2. Archaeornithes (n.)

primitive reptile-like fossil birds of the Jurassic or early Cretaceous

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3. subclass (n.)

(biology) a taxonomic category below a class and above an order

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