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Comparative Cranial Anatomy of Two North American Cretaceous Plesiosaurs
Comparison of skulls of Elasmosaurus morgani and Dolichorhynchops osborni suggests that cranial features and the atlas-axis complex appear to be more stable evolutionarily than postcranial features, which implies that the short-necked polycotylids of the Cretaceous are not descended from the short ofnecked pliosaurs of the Jurassic.
A new specimen of Acrocanthosaurus atokensis (Theropoda, Dinosauria) from the Lower Cretaceous Antlers Formation (Lower Cretaceous, Aptian) of Oklahoma, USA
A new skeleton of Acrocanthosaurus atokensis is the most complete specimen collected and has the only known complete skull. Aspects of the new skeleton are described in detail, with special attention
Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction
Eggs and the Death of Dinosaurs is a guide to finding and studying dinosaur eggs and babies, as well as explaining the mating game and other aspects of dinosaur life.
Redescription of Ankylosaurus magniventris Brown 1908 (Ankylosauridae) from the Upper Cretaceous of the Western Interior of North America
The armor-plated dinosaur Ankylosaurus magniventris is redescribed based on specimens from the Hell Creek Formation of northeastern Montana, USA., Lance Formation of Wyoming, USA., and from the
A New Species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a Biomechanical Analysis of Its Forelimb
ABSTRACT A new species, Camptosaurus aphanoecetes, is named for a partial skeleton of ornithopod dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah. The
Evidence of Predatory Behavior by Carnivorous Dinosaurs
Two unambiguous examples of predator-prey relationships among the dinosaurs suggest that both small and large theropods, Veiociraptor and Tyrannosaurus in particular, could actively hunt and attack prey species.
Forelimb biomechanics of nonavian theropod dinosaurs in predation
Theoretical models of theropod forelimb biomechanics are often tainted with preconceived ideas. Actualistic modeling using specimens and casts, coupled with CAT-scans and dissections of extant