neoavian

neoavian (plural neoavians)

1. Any bird of the clade Neoaves.
   • 2007, Luis M. Chiappe, Glorified Dinosaurs: The Origin and Early Evolution of Birds:

     All major lineages of songbirds or passeriforms, of which there are more than 5,000 living species altogether, are thought to have evolved from a common ancestor, and these diverse birds are commonly regarded as the most advanced neoavians.

• Eonavian