Late Cretaceous fossil birds are rare. When found, they are usually very incomplete hindering attempts to understand broad trends in avian evolution across the Cretaceous. The holotype of Yuornis represents the best-preserved Late Cretaceous enantiornithine known to date. The specimen consists of a complete 3D skull together with a partial postcranial skeleton. While the postcranial…Read more "Best preserved Late Cretaceous enantiornithine"