Background The origin of sauropod dinosaurs is one of the major landmarks of dinosaur
evolution but is still poorly understood. This drastic transformation involved major skeletal …

The prosauropods from the Lower Jurassic Portland Formation of the Connecticut Valley are
referred to two monospecific genera: the slender-footed Anchisaurus polyzelus (junior …

A data-matrix of 205 osteological characters for 26 sauropod taxa is subjected to cladistic
analysis. Two most parsimonious trees are produced, differing only in the relationships …

Sauropod dinosaurs are one of the most conspicuous groups of Mesozoic terrestrial
vertebrates. They show general trends towards an overall increase in size and elongation of …

Little is known about the cranial anatomy of the taxonomically diverse and geographically
widespread titanosaurs, a paucity that has hindered inferences about the genealogical …

Polished pebbles occasionally found within skeletons of giant herbivorous sauropod
dinosaurs are very likely to be gastroliths (stomach stones). Here, we show that based on …

Dinosaurs have become such prominent features of popular culture that it is easy to forget
that they were once living animals. Countless movies and works of pulp fiction have made …

Despite nearly two centuries of investigation, a comprehensive understanding of dinosaur
biology has proven intractable. The recent development of means to study tissue-level …

It must not be thought, however, that interest in the dinosaurs as gigantic animals is a matter
ofidle curiosity. The general trend towards giantism, so characteristic of the dinosaurs …

As with many dinosaurs, pedal elements of sauropods are rare and complete feet and hands
even rarer. However, patterns do emerge from what is known about sauropod feet and …