Neornithes | definition of Neornithes by Medical dictionary
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Neornithes the group containing all birds with the exception of Archaeopteryx.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive
The extinct species, of which two fossils were discovered in China's northeastern Hebei province about two years ago, was the earliest known member of the Ornithuromorpha branch that also gave us Neornithes
, or modern birds.
Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes
) based on comparative anatomy.
Check out birds' family tree at: http://phylogeny.arizona.edu/ tree/eukaryotes/animals/ chordata/dinosauria/aves/ neornithes