Sentences with phrase «pterosaurs nested»

Pterosaurs nested on land but their bones are often recovered from shallow marine rocks.

Pterosaur remains scattered through multiple layers of the rocks suggest that the site was a pterosaur nesting site for many years.

Not exact matches

The weird creatures in the depths of the oceans, the ichthyosaurs, pterosaurs and other extinct species, the enormous varieties of plants, insects, crustaceans, reptiles, fish and mammals — all of this makes us wonder whether chance might not be as good an «explanation» as any for the morphological richness of life.

Lastly, the fact that a single collection of embryos exhibits a range of developmental stages hints that pterosaurs participated in colonial nesting behavior, the authors say.

An invaluable collection of more than 200 eggs is providing new insights into the development and nesting habits of pterosaurs.

Cunningham believes that a large pterosaur could launch itself without «running and a lot of mad flapping» — but he won't say how, because he's going to publish a paper on it.

It is not clear if these giant finds represent a new species in the pterosaur family, which includes pterodactyls and crested pteradons.

These flying reptiles are shown here not surrounded not by other pterosaurs, but birds.

It adds to a growing set of evidence that the Late Cretaceous period was not dominated by large or giant species, and that smaller pterosaurs may have been well represented in this time.

The specimen thus seems to be a genuinely small species, and not just a baby or juvenile of a larger pterosaur type.»

Lead author of the study Elizabeth Martin - Silverstone, a Palaeobiology PhD Student at the University of Southampton, said: «This new pterosaur is exciting because it suggests that small pterosaurs were present all the way until the end of the Cretaceous, and weren't outcompeted by birds.

Pterosaurs may have been furry rather than feathery, but they may not have been so very different from birds in other respects.

The answer, according to Mark Witton of the University of Portsmouth, UK, is that pterosaurs didn't fly like birds.

PTEROSAURS may have been furry rather than feathery, but perhaps they weren't so very different from birds in other respects.

When he first saw pictures of this unusual fossilized pterosaur skull from a private collection, Alexander Kellner, a paleontologist at the National Museum in Rio de Janeiro, didn't think it was real.

Pterosaurs were enormous reptiles (but not dinosaurs) that lived and flew until 65 million years ago.

That suggests, Kellner says, that pterosaurs could walk when they hatched, but not fly.

«Pterosaurs don't necessarily need land bridges to disperse because they can cross marine barriers between emergent landmasses, effectively «island hopping» from one continental mass to another,» Myers said.

The bones revealed that the pterosaurs died at different times, which suggests multiple forces — not a single event — were at play.

«The Daohugou Biota gives us a look at a rarely glimpsed side of the Middle to Late Jurassic - not a parade of galumphing giants, but an assemblage of quirky little creatures like feathered dinosaurs, pterosaurs with advanced heads on primitive bodies, and the Mesozoic equivalent of a flying squirrel,» lead author Corwin Sullivan, an associate professor at the Institute of Vertebrate Paleontology and Paleoanthropology, was quoted as saying in a press release.

The latest study relies on only a few bones, so it does not provide definitive proof that small pterosaur species existed alongside the larger ones, says Alexander Kellner, a palaeontologist at the National Museum of Brazil in Rio de Janeiro.

After students complete this Pterosaur coloring page, explain that these were not birds but flying reptiles that evolved along with the dinosaurs.

Pterosaurs couldn't soar, says expert Oct 1, 2008... A Japanese researcher has put paleo - biologists in a flap... OR the total atmospheric pressure was MUCH higher.