Sentences with phrase «ancient mammals»

Taking advantage of fossils exposed by miners, an evolutionary biologist probes the adaptations of ancient mammals.

Believed to be roughly the size of a dachshund, Ichibengops lived around 255 million years ago, and was a member of Therocephalia, a group of ancient mammal relatives that survived the largest mass extinction in history (the Permian - Triassic extinction).

The distribution of a virus studied among ancient mammals suggests the viruses spread to every continent except Antarctica and Australia, and that they jumped from one species to another more than 20 times.

Recent advances in high - throughput DNA sequencing have provided initial glimpses of the nuclear genome of Neandertals as well as other ancient mammals including cave bears and mammoths.

We've been excavating a site on the beach about 10 meters from the high tide line for about 10 years, finding stone tools and ancient mammal bones and teeth.

When he was pursuing his master's degree at Oxford, he had planned to study ancient mammals, but he found the field crowded; his thesis project was spent studying the teeth of Eocene - era elephants in Egypt.

Angielczyk, whose work focuses on ancient mammal relatives, explained the importance of finding new species like Ichibengops.

Paleontologists brave wildfires, parasites and scorching temperatures in search of ancient mammal fossils

Dinosaurs butt heads, thrash their tails, and spread their stunning plumage, while ancient mammals and marine organisms make colorful cameos.

Over the course of six expeditions, the team has found seven ancient mammal teeth.

Spino refers to the creature's hedgehoglike spines, and the Greek suffix lestes means «robber» — a term commonly used in the names of ancient mammals because of their presumed nocturnal habits.

The limestone caves, once a marshy wetland supporting a huge diversity of plant life and animals, have expelled an impressive quantity of ancient mammal remains and fossil evidence of an early human - like primate ancestor.

One other extinct therocephalian, Euchambersia, has been suggested to be venomous, but even among ancient mammal relatives this is an exception rather than the rule.

Modern conservation efforts tend to center around large animals — such as tigers, elephants, and wolves — and top predators in peril, while Roopnarine and Angielczyk show that small amniotes (reptiles and ancient mammal relatives) were most vulnerable during the early phase of this long - ago period of extinction.

A new review by an international team of scientists, including Stony Brook University Professor Liliana M. Dávalos, reports an analysis of the incredibly diverse «lost world» of Caribbean fossils that includes giant rodents, vampire bats, enigmatic monkeys, ground sloths, shrews and dozens of other ancient mammals.

Holden and colleagues determined that different larval beetles were responsible for the exceptionally preserved traces on the bones of ancient mammals.

But «Itchy» was no reptile: The animal, known from two partial skulls and described in July in the Journal of Vertebrate Paleontology, was actually an ancient mammal relative.

«Caribbean islands reveal a «lost world» of ancient mammals.»

Now that it seems that very ancient protein fragments can, in fact, be isolated and examined, it's a safe bet that many new collaborations will soon take shape to pin down the evolutionary relationships among different dinosaurs, as well as among ancient mammals and other extinct creatures.

Only fossils unearthed in recent years provided evidence that ancient mammals had fur that looked like that seen in modern relatives.

The distribution of ERV - Fc among these ancient mammals suggests the viruses spread to every continent except Antarctica and Australia, and that they jumped from one species to another more than 20 times.

August 15, 2013 Earliest complete fossil from major group of ancient mammal discovered Flexible ankles and versatile ridged teeth were the key adaptations that allowed mutituberculates to become the most successful group of ancient mammals, as revealed with the discovery of a 160 million - year - old fossil — the earliest known complete skeleton of a multituberculate.

He works on a variety of different groups, including dinosaurs and ancient mammals.

Making a dinosaur adventure happen is fairly easy because nearly everyone in North America is within a short drive of dinosaurs, ancient mammals, and fossils.