A 3D reconstruction of Ambopteryx longibrachium, which was discovered by paleontologists from China's Institute of Vertebrate Paleontology and Paleoanthropology in northeastern China. The dinosaur was 32 centimeters in length and weighed 306 grams (10.8 ounces). Photo: Wang Min/Institute of Vertebrate Paleontology and Paleoanthropology

Chinese researcher Wang Min introducing the life reconstruction of the bizarre membranous-winged 163-million-year old Ambopteryx longibrachium, which is described academically as a “non-avian theropod.” Photo: China News Service

Images of the 163 million year old bat-winged dinosaur, including: a fossil; a diagram of the dinosaur; a close-up of the inside of its stomach including small stones swallowed by the dinosaur. Photo: Wang Min/Institute of Vertebrate Paleontology and Paleoanthropology

The cover of famed scientific journal Nature shows an artist's reconstruction of Ambopteryx longibrachium. Photo: Institute of Vertebrate Paleontology and Paleoanthropology