Jianianhualong tengi is a key taxon for understanding the evolution of pennaceous feathers
as well as troodontid theropods, and it is known by only the holotype, which was recovered …

We present the first histological analysis of forelimb bones in a troodontid dinosaur,
Daliansaurus liaoningensis, from the Early Cretaceous of China using osteohistological thin …

Evolution of flight in maniraptoran dinosaurs is marked by the acquisition of distinct avian
characters, such as feathers, as seen in Archaeopteryx from the Solnhofen limestone. These …

Background The Troodontidae represents one of the most bird-like theropod groups and
plays an important role in our understanding of avian origins. Although troodontids have …

Abstract The Early Cretaceous Hami Pterosaur Fauna in Northwest China preserves a large
number of specimens of the sexually dimorphic pteranodontoid pterosaur Hamipterus …

A second nearly complete, articulated specimen of the basal troodontid Mei long (DNHM
D2154) is reported from the Early Cretaceous (Hauterivian-Valanginian) lower Yixian …

A new troodontid dinosaur, Daliansaurus liaoningensis gen. et sp. nov., is erected based on
a nearly complete specimen from the Lower Cretaceous Yixian Formation of Beipiao City …

Background In the Early Cretaceous Jehol Biota, the toothless pterosaurs flourished with the
chaoyangopterids and tapejarids playing a key role in understanding the early diversity and …

Asymmetrical feathers have been associated with flight capability but are also found in
species that do not fly, and their appearance was a major event in feather evolution. Among …

A new troodontid dinosaur, Xixiasaurus henanensis gen. et sp. nov., from the Upper
Cretaceous Majiacun Formation of the Xixia Basin, Henan Province, is erected, based on a …