Modern birds are typified by the presence of feathers, complex evolutionary innovations that
were already widespread in the group of theropod dinosaurs (Maniraptoriformes) that …

The spectacular fossil fauna and flora preserved in the Upper Cretaceous terrestrial strata of
North America's Western Interior Basin record an exceptional peak in the diversification of …

This chapter aims to provide an overview of the state of knowledge on non-avian dinosaur
paleoneurology, throughout the history and synthesis of recent advances in the field. Today …

Here we describe a new derived tyrannosaurine, Daspletosaurus wilsoni sp. nov., from
Judithian strata (~ 76.5 Ma) intermediate in age between either of the previously described …

Abstract The Late Cretaceous dinosaur Tyrannosaurus rex was recently split into three
species based on the premise that variation in the T. rex hypodigm is exceptional, indicating …

All skeletal specimens of the North American dinosaur Tyrannosaurus and a number of trace
fossils have been attributed to the single species: T. rex. Although an unusual degree of …

The study of the rostral neurovascular system using CT scanning has shed new light on
phylogenetic and palaeobiological reconstructions of many extinct tetrapods. This research …

Abstract The Upper Jurassic Lourinhã Formation is well known for its rich assemblage of
fossil vertebrates. In this formation, ornithopod dinosaurs are represented by two …

Phylogenetics emerged in the second half of the nineteenth century as a speculative
storytelling discipline dedicated to providing narrative explanations for the evolution of taxa …

Other than repaired fractures, osteoarthritis, and periosteal reaction, the vertebrate fossil
record has limited evidence of non-osseous diseases. This difficulty in paleontological …