ornithuromorph
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/Fossil_specimen_%28DNHM_D2945_6%29_of_Hongshanornis_longicresta.jpg/220px-Fossil_specimen_%28DNHM_D2945_6%29_of_Hongshanornis_longicresta.jpg)
Etymology
[edit]From ornith- + uro- + -morph.
Noun
[edit]ornithuromorph (plural ornithuromorphs)
- Any avialan of the group Ornithuromorpha.
- 2023 June 3, Carl Zimmer, “How Did Birds First Take Off?”, in The New York Times[1]:
- The lineage that led to all living birds is known as the ornithuromorphs. […] Roughly three-quarters of all species on the planet were wiped out, including all feathered dinosaurs except the ornithuromorphs.