Photo released on May 9, 2019, shows fossil remains of a membranous-winged 163-million-year old non-avian theropod, Ambopteryx longibrachium, discovered in northeastern China. (Photo/China News Service: Sun Zifa)
As the most completely preserved scansoriopterygid specimen to date, Ambopteryx preserves membranous wings and the styliform element, supporting the widespread existence of these wing structures in the Scansoriopterygidae. (Photo/China News Service: Sun Zifa)
Photo released on May 9, 2019, shows fossil remains of a membranous-winged 163-million-year old non-avian theropod, Ambopteryx longibrachium, discovered in northeastern China. (Photo/China News Service: Sun Zifa)
Photo shows the life reconstruction of the bizarre membranous-winged Ambopteryx longibrachium, May 9, 2019. (Photo/China News Service: Sun Zifa)