Patagonia has yielded the most comprehensive fossil record of Cretaceous theropods from
Gondwana, consisting of 31 nominal species belonging to singleton taxa and six families …

▪ Abstract Phylogenetic studies and new fossil evidence have yielded fundamental insights
into the pattern and timing of dinosaur evolution and the emergence of functionally modern …

In recent years, avian systematics has been characterized by a diminished reliance on
morphological cladistics of modern taxa, intensive palaeornithogical research stimulated by …

Incubating new ideas about avian reproduction/SJ Reynolds & DC Deeming--The fossil
record and evolution of avian egg nesting and incubation/DC Deeming--Nest construction …

Birds evolved from and are phylogenetically recognized as members of the theropod
dinosaurs; their first known member is the Late Jurassic Archaeopteryx, now represented by …

A SPECTACULAR fossil specimen that suggests the presence of an avian type of nesting
behaviour in oviraptorids, a clade of non-avian maniraptoran theropods, is reported here …

Interpreting key ecological parameters, such as diet, of extinct organisms without the benefit
of direct observation or explicit fossil evidence poses a formidable challenge for …

Definitive non-avian dinosaur embryos, those contained inside fossil eggs, are rare,. Here
we describe the first known unequivocal embryonic remains of sauropod dinosaurs—the …

FOSSIL AND RECENT EGGSHELL IN AMNIOTIC VERTEBRATES: FINE STRUCTURE, CO@dPARATIVE
MORPHOLOGY AND CLASSIFICATION Page 1 SPECIAL PAPERS IN PALAEONTOLOGY NO …

Calcified eggshells protect develo** embryos against environmental stress and contribute
to reproductive success. As modern crocodilians and birds lay hard-shelled eggs, this …