Archaeornithes

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

Definition of Archaeornithes

  1. :  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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Origin and Etymology of archaeornithes

New Latin, from archae- + -ornithes


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a rounded knoll or a ridge of ice

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