Early Evolution of Avian Flight and Perching: New Evidence from the Lower Cretaceous of China
Abstract
Fossil bird skeletons discovered in Lower Cretaceous lake deposits in China shed new light on the early evolution of avian flight and perching. The 135 million-year-old sparrow-sized skeletons represent a new avian, Sinornis santensis, n. gen. n. sp., that preserves striking primitive features such as a flexible manus with unguals, a footed pubis, and stomach ribs (gastralia). In contrast to Archaeoperyx, however, Sinornis exhibits advanced...
Paper Details
Title
Early Evolution of Avian Flight and Perching: New Evidence from the Lower Cretaceous of China
Published Date
Feb 14, 1992
Journal
Volume
255
Issue
5046
Pages
845 - 848
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