Ornithurae

Etymology
, from +

Usage notes

 * The taxonomic groupings linking modern birds with their reptilian ancestors have been undergoing a great deal of change for more than a century, and may continue to do so.

Hypernyms

 * ; - superorder;  - order;  - taxon;  - suborder;  - infraorder; ;, , ,  - taxa; Aves - class;  - informal group; ; - clade

Hyponyms

 * - infraclass or clade; †, † - orders; †, †, † - cohorts