Abstract The Yanshanian Movement (or Yanshanian Orogeny) has been a topic of study for
nearly a century, with ongoing interests. This study reviews its origin, tectonic subdivision …

The question why non-avian dinosaurs went extinct 66 million years ago (Ma) remains
unresolved because of the coarseness of the fossil record. A sudden extinction caused by …

Isolated theropod teeth are some of the most common fossils in the dinosaur fossil record
and are continually reported in the literature. Recently developed quantitative methods have …

Pterosaurs were the first vertebrates to achieve true flap** flight, but in the absence of
living representatives, many questions concerning their biology and lifestyle remain …

Powered flight evolved independently in vertebrates in the pterosaurs, birds and bats, each
of which has a different configuration of the bony elements and epidermal structures that …

Abstract The Jurassic Yanliao theropods have offered rare glimpses of the early paravian
evolution and particularly of bird origins, but, with the exception of the bizarre …

Gliding is a distinctive locomotion type that has been identified in only three mammal
species from the Mesozoic era. Here we describe another Jurassic glider that belongs to the …

We report a new Jurassic docodontan mammaliaform found in China that is preserved with
the hyoid bones. Its basihyal, ceratohyal, epihyal, and thyrohyal bones have mobile joints …

Recent fieldwork in the late Middle Jurassic Balabansai Formation of Kyrgyzstan has yielded
a partial skeleton of a large theropod dinosaur. The material includes a few bones of the …

Well-sampled dinosaur communities from the Jurassic through the early Late Cretaceous
show greater taxonomic diversity among larger (> 50 kg) theropod taxa than communities of …