Abstract Fieldwork in the Early Cretaceous Jehol Group, northeastern China has revealed a
plethora of extraordinarily well-preserved fossils that are shaping some of the most …

Coelurosauria is the most diverse clade of theropod dinosaurs. Much of this diversity is
present in Paraves—the clade of dinosaurs containing dromaeosaurids, troodontids, and …

Abstract Charles Darwin commented that Ichthyornis, as one of the “toothed birds” from the
Late Cretaceous of Kansas, offered some of “the best support to the theory of evolution”(in …

I first visited China in 1980, not long after the Cultural Revolution ended. The country had
just come out of more than a decade of scientific isolation, and I was one of the first …

Since the description of Confuciusornis (the oldest beaked bird) in1995, based on three
partial specimens, large numbers of complete skeletons have been recovered,. Most new …

Although more than half of the evolution of birds occurred during the Mesozoic era
(Chiappe, 1995a), our understanding of this long history focused on the spectacular …

This chapter will cover clade definitions, the relationships within clades as well as the
occasional controversial relationships between different clades. Phylogenies arising from a …

Abstract Confuciusornithids, lived from 120–125 million years ago, form a basal bird group
and include the oldest birds with horny beaks. Here we describe Eoconfuciusornis zhengi …

We report on a new enantiornithine E opengornis martini gen. et sp. nov. from the lowest
horizon of the Jehol Biota in Hebei, China; dated at 130.7 Mya, this is the second oldest …

We provide an overview of the known feather and other 'feather‐like'integumentary structure
types known to‐date in the birds and dinosaurs from the Cretaceous rocks of Liaoning, NE …