Sentences with phrase «preserved pterosaur»

However, a trove uncovered by paleontologists in northwest China is home to hundreds of well - preserved pterosaur bones that will help boost our knowledge of the creatures.

It's fortunate to have the beautifully preserved fossil because the potential for preserving pterosaur bones is low, Myers said.

Not exact matches

The Daohugou Biota makes an immense contribution to our understanding of vertebrate evolution during this period, with such notable creatures as the oldest known gliding mammal, another early mammal that may have swum with a beaver - like tail, the oldest dinosaurs preserved with feathers, and a pterosaur that represents an important transitional form between two major groups.

To date, only a small handful of pterosaur eggs with a well - preserved 3 - D structure and embryo inside have been found and analyzed — three eggs from Argentina and five from China.

The hollow bones of pterosaurs are notoriously poorly preserved, and larger animals seem to be preferentially preserved in similarly aged Late Cretaceous ecosystems of North America.

As with other evidence of smaller pterosaurs, the fossil specimen is fragmentary and poorly preserved: researchers should check collections more carefully for misidentified or ignored pterosaur material, which may enhance our picture of pterosaur diversity and disparity at this time.»

An exceptional set of footprints preserved in 150 - million - year - old rock near Crayssac in south - west France holds some answers to pterosaur behaviour.

The slow - soaring pterosaur would have landed slowly as well, which might have helped preserve its flight - adapted light bones, unsuited for high impacts.

But enough is preserved to allow comparisons between the bones in the embryos and those of older pterosaurs also preserved, says Alexander Kellner of the National Museum at the Federal University of Rio de Janeiro in Brazil, who helped analyze the fossils.

Two of the best - preserved embryos revealed a tantalizing clue to pterosaur development, Kellner says.

The collection features such memorable creatures as the oldest known gliding mammal, another early mammal that may have swum with a beaver - like tail, the oldest dinosaurs preserved with feathers and a pterosaur that represents an important transitional form among these now extinct, warm - blooded flying reptiles.