Sentences with phrase «palaeontologists study»
The two palaeontologists studied different fossils of the Jurassic dinosaur Dysalotosaurus lettowvorbecki: a very young (juvenile) individual of approximately three years of age and a fully grown specimen of more than 12 years of age.
https://www.sciencedaily.com/ 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.
«It's interesting to find that tyrannosauroids were definitely here in the south,» says Adam Yates, a palaeontologist at the University of Witwatersrand in Johannesburg, South Africa, who was not involved in the study.
The study also revealed phosphorus along the main shaft of the feathers in the fossil: palaeontologists had long thought that only impressions remained.
Daniel Fisher, a palaeontologist at the University of Michigan in Ann Arbor and an author of the latest study, reanalysed the tusk and agrees that the marks were probably caused by butchering, most likely to extract the roughly 7 kilograms of nutritious tissue that would have been found inside.
Fred Spoor, a palaeontologist at University College London who wrote an accompanying News and Views article on the Nature study, speculates that the two species may both have been able to thrive side - by - side because they might not have directly competed for food, shelter and territory.
Shipp invested time and money to excavate and prepare the bones, aided by volunteers and palaeontologists including the PLOS ONE study co-authors Chris Ott and Peter Larson.
Palaeontologists can decipher how ancient organisms lived and interacted using taphonomy, the study of how fossils form.
Acrotholus was identified by a team comprising of palaeontologists Evans, of the Royal Ontario Museum; and Ryan, of The Cleveland Museum of Natural History; as well as Ryan Schott, Caleb Brown, and Derek Larson, all graduate students at the University of Toronto who studied under Evans.
Because the Daohugou Biota and the much better studied Jehol Biota are similar in preservational mode and geographic location, but separated by tens of millions of years, they give palaeontologists an outstanding, even unique, opportunity to study changes in the fauna of this region over a significant span of geological time and an important period in vertebrate evolution.
Palaeontologists from Naturalis Biodiversity Center, Netherlands and the University of Bristol, United Kingdom, studied the fossil using high energy X-rays at the Swiss Light Source at the Paul Scherrer Institut in Switzerland, revealing the structure and development of teeth and bones.
Now a detailed study led by palaeontologists Dean Lomax (The University of Manchester) and Professor Judy Massare (State University of New York), has re-examined and compared Protoichthyosaurus and Ichthyosaurus.
«Illegally exported from Mongolia, Halszka resided in private collections around the world before it was acquired in 2015 and offered to palaeontologists for study and to prepare its return to Mongolia.»
Dean Lomax, a palaeontologist and Honorary Scientist at The University of Manchester, working with Professor Judy Massare of Brockport College, New York, have studied thousands of ichthyosaur fossils and have delved through hundreds of years of records to solve an ancient mystery.
All these things make it a snake,» says palaeontologist David Martill of the University of Portsmouth, UK, who is the lead author of the study.
A Swiss - American team of palaeontologists headed by Torsten Scheyer and Carlo Romano from the University of Zurich demonstrate in their new study that the food nets during the Early Triassic did not recover in stages.
We decided to repeat the study with a larger data set and a better understanding of bird biology because other palaeontologists were starting to use the original results in Science in order to predict the incubation behaviour of other dinosaur species.
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»).
The catarrhine family tree — one of two primate lineages, and the one that includes humans — regularly attracts requests for revision from palaeontologists bearing fossils such as Ida, according to palaeobiologist James Tarver, lead author of the latest study.
«Until we began to document fossilised brains, nerve cords and optic nerves from the Cambrian, neuroanatomists and palaeontologists did their studies in parallel but didn't really work with each other.
«At first we just didn't know what the rod - like bones were,» study author Corwin Sullivan, a Canadian palaeontologist based at The Institute of Vertebrate Paleontology and Paleoanthropology of China, said in a statement.
Palaeontologists don't know what the Denisovans looked like, but studies of DNA recovered from their teeth and bones indicate that this ancient population contributed to the genomes of modern humans, especially Australian Aborigines, Papua New Guineans and Polynesians — suggesting that Denisovans might have roamed Asia.
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.