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Archaeornithes

plural noun
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Ar·​chae·​or·​ni·​thes | \ -ˈȯrnəˌthēz, -ˌȯrˈnī(ˌ)thēz \

Definition of Archaeornithes

: a subclass of Aves comprising the earliest and most primitive of fossil birds, retaining distinctive reptilian characters, and including the two genera Archaeornis and Archaeopteryx

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History and Etymology for Archaeornithes

New Latin, from archae- + -ornithes

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Cite this Entry

“Archaeornithes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Archaeornithes. Accessed 16 Feb. 2020.

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