Although often overlooked, the integument of many tetrapods is reinforced by a
morphologically and structurally diverse assemblage of skeletal elements. These elements …

Osteoderms are mineralised structures consisting mainly of calcium phosphate and
collagen. They form directly within the skin, with or without physical contact with the skeleton …

For millions of years, clues to the biology of dinosaurs lie locked within the microscopic
structure of their bones. Here one of the world's leading experts on fossil bone …

Revised and updated, it reflects the recent developments and changing emphasis in the
field of paleoecology. While the basic organization remains the same as the original edition …

The largest and most diverse collection of Pachypleurosauridae (Nothosauria, Reptilia)
comes from Monte San Giorgio, Switzerland. Several hundred complete skeletons were …

The skeleton undergoes substantial histological modification during ontogeny in association
with longitudinal growth, shape changes, reproductive activity, and fatigue repair. This …

The defining masterwork on the evolution of reptiles. Over 300 million years ago, an early
land vertebrate developed an egg that contained the embryo in an amnion, allowing it to be …

Femora of Syntarsus rhodesiensis specimens of differing ontogenetic stages were sectioned
and prepared for histological study. Features such as the structure of the cortical bone …

The famous bone beds of the Morrison Formation, formed one hundred and fifty million
years ago and running from Wyoming down through the red rock region of the American …

Abstract 'Bizarre structures' in dinosaurs have four main traditional explanations: mechanical
function, sexual selection, social selection and species recognition. Any of these can be …