... footprints of 11 small and large sauropods — long-necked, herbivorous dinosaurs that lived in the Jurassic and Cretaceous periods — traveling together at the same speed.
“It’s rare to see such a big ...
... ), indicating a dip and rise in the diversity curve.
The curve then rises in the Cretaceous and remains more or less flat after that. The previously thought exponential increase in diversity is not ...
... . Prum, Vinther analyzed a striped feather found in 100 million-year-old rocks from the Lower Cretaceous Period in Brazil. The team used a scanning electron microscope to show that dark bands of the ...
... that most of the early propagation of invertebrates took place before the Late Cretaceous period. In addition, the research contends that the increase of those invertebrates in the period since is ...
Osmium isotopes prove origins of mass-extinction event
... were part of the ‘Terrestrial Revolution` that occurred some 100 million years ago during the Cretaceous when birds, mammals, flowering plants, insects and reptiles all underwent a rapid expansion.
... senegalus.
This fish belongs to the ancient family Polypteridae, which first appeared 96 million years ago during the Cretaceous period and still retains many of their characteristics.
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... , which lived 67 million to 80 million years ago, as the "Thomson's gazelle of the Late Cretaceous." The other two had horns or had stout, tank-like bodies that would have provided some physical ...
... lunch for a small dinosaur or other predator during an ancient fight in the tropical forests of Myanmar during the Lower Cretaceous Period, from 97 million to 110 million years ago.
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... , we assume that the ancestor of this ant was somewhat wasp-like, perhaps similar to the Cretaceous amber fossil Sphecomyrma, which is widely known as the evolutionary missing link between wasps and ...
... South America and Asia. In a paper published in the current issue of the journal Cretaceous Research, Longrich and University of Alberta paleontologist Philip Currie describe the specimen and explain ...
... named Aerosteon riocoloradensis ("air bones from the Rio Colorado"). "Aerosteon, found in rocks dating to the Cretaceous period about 85 million years old, represents a lineage surviving in isolation ...
... , Jr., and Darren H. Tanke, has published a monograph entitled "A New Horned Dinosaur from an Upper Cretaceous Bone Bed in Alberta", published by NRC Press.
According to Jack O'Toole, Chair of the ...
... plane with next-generation capabilities. Mimicking the physical and biological characteristics of the Early Cretaceous Brazilian pterosaur Tapejara wellnhoferi -- skin, blood vessels, muscles, tendons ...
A 150-million-year-old sauropod skeleton is the centerpiece of the finds from the Jurassic and Cretaceous periods, discovered by a Los Angeles team. ...