Sentences with phrase «which palaeontologists»

Not exact matches

When therefore we set out to study the events out of which it arose, and the part that its Founder played in them, we are not like archaeologists digging up the remains of a forgotten civilization, or palaeontologists reconstructing an extinct organism.

For 130 years palaeontologists have been working with a classification system in which dinosaur species have been placed in to two distinct categories: Ornithischia and Saurischia.

James Kirkland, state palaeontologist at the Utah Geological Survey, identified the tooth as coming from the upper jaw of a lungfish in the extinct genus Ceratodus, a freshwater bottom - feeder which used massive tooth plates to crunch shelled animals.

James Kirkland, a palaeontologist at the Utah Geological Survey, identified it as being from a lungfish of the extinct genus Ceratodus, which lived between 160 million and 100 million years ago.

Palaeontologists can date when our ancestors lost the organ, as the tissue attaches to a skeletal feature called the hyoid bulla, which is absent in humans.

Palaeontologists initially thought that the bones of Albertavenator belonged to its close relative Troodon, which lived around 76 million years ago — five million years before Albertavenator.

Palaeontologists had earlier traced frog fossils back to the Jurassic period, which lasted from 200 to 145 million years ago.

Tarver and colleagues» study of catarrhines did not include Ida, so they did not measure her effect on the family tree — which is something palaeontologists continue to debate (see «Fossil primate challenges Ida's place»).

For instance, palaeontologists had been excited about prints found in Greenland, dating back some 220 million years, which suggested that the animal making them had a reversed back toe — a feature not recorded in theropod dinosaurs of that time but common in their descendants, the birds.

Canadian palaeontologists have described one of the most intact fossils ever found, which almost looks like it could wake up any minute.

Also on this stand, G01, Yellow Door will be showing delegates the award ‑ winning dinosaur bones, which are causing lots of excitement across early years and KS1 settings, and are perfect for budding palaeontologists and for learning early measuring skills.

The beaches and coastal cliffs around the Lightstation hold a rich cargo of dinosaur secrets which remain of high interest to palaeontologists.

Research results on Timimus and Leaellynasaura set the scientific world on fire and helped create a rethink among palaeontologists — these dinosaurs were highly adapted animals which thrived in freezing conditions.

Palaeontologists test theories of evolutionary relationships by predicting the nature of intermediate forms that might (with luck) be found — a recent example is the feathered «dino - bird» from China, which corresponded quite nicely with Heilbrunner's predicted precursor for Archaeopteryx from 1912 or so.