Data show a clear link between the asteroid impact and extinction patterns worldwide, but scientists haven't found signs of a global effect of the volcanism at the end of the Cretaceous period
, says paleontologist David Fastovsky of the University of Rhode Island in Kingston.
The dinosaur lived in the Upper Cretaceous period
and is about 39 feet long.
The site is one of the largest areas of dinosaur tracks from the early Cretaceous period
known to exist in North America, she said.
Seven fossilled dinosaur eggs, dating from the Cretaceous period
, are to go under the hammer (not literally) at auction in Cardiff on Friday and are expected to fetch a T Rex-sized amount of money - regardless of who ends up shelling out for them.
Dating from the Cretaceous period
, the seven eggs are somewhere between 65 and 145 million years old and were discovered in the Gobi desert in China.
Segnosaurus was a meat-eating dinosaur that roamed earth during the late Cretaceous period
and can be seen at Gemcraft all week.
ISLAMABAD -- A doctoral student, and member of Scientific Board of Geology Department, Razi University of Kermanshah, has discovered a fossil belonging to Cretaceous period
in 73 million years ago.
Both species, herbivores that lived during the Late Cretaceous period
, 75 to 83 million years ago, are described in research published in the June 2012 issue of the journal Cretaceous Research.
The stars of the funniest new series since the Cretaceous period
, Darwin the stegosaurus and his family are throwing a great party when it is gatecrashed by T-Rex Flint Beastwood and his scary gang.
Terra Nova tells the story of a group of people who travel back in time to live in the Cretaceous period
to escape a dying modern day Earth in the year 2149.
30pm) Tonight we are introduced to the last generation of carnivorous dinosaurs who by the end of the Cretaceous period
, a mere 75 million years ago, had spread across the globe.
30pm) After a year trapped in the Cretaceous period
, Connor and Abby return to find ARC has been taken over by a new regime and their jobs are hanging in the balance.
It was followed by the Cretaceous period
extending from 145 to 65 million years ago.
Geologist James Castle said: "The fossil record indicates that mass extinctions occurred in response to environmental changes at the end of the Cretaceous period
The argument is that "If the giant collision at the end of the Cretaceous Period
killed all of the dinosaurs, then the K-T boundary layer ought to contain some dinosaur fossils.