The word
"tyrannosaur" refers to a type of dinosaur. It is a combination of the words "tyrant" and "saur," meaning tyrant lizard.
Tyrannosaurs were very large and fierce meat-eating dinosaurs that lived millions of years ago. The most famous
tyrannosaur is the Tyrannosaurus rex, also known as T. rex.
Full definition
The previous discovery of soft, pliable tissues recovered from the dissolved remains
of Tyrannosaur bone in 2005 [1], potentially marked a major turning point in the science of paleontology given that it extended the known range of preserved biomolecules by many orders of magnitude.
«I think there may have been similar behavior
in tyrannosaurs,» Rothschild says.
The pelvis and pectoral bones of the hadrosaur suggest it was an Edmontosaurus, which may have been prey
for tyrannosaurs.
Actor and writer Paddy Considine tells Metro how he dealt with some tough issues in his first full - length outing as a film - maker
with Tyrannosaur.
After four years zigzagging around the world begging museums for samples of the relatively rare
tyrannosaur bones, paleontologist Greg Erickson of Florida State University has found the answer.
Palaeontologists were uncertain of the existence of long -
snouted tyrannosaurs until the remains of the dinosaur — named Qianzhousaurus sinensis — were unearthed in southern China.
They also analyzed skin impressions from
large tyrannosaurs that lived around the same time, such as Albertosaurus and Gorgosaurus.
It's been a mystery for a long time, but a new species of
tyrannosaur from Uzbekistan — a smaller and earlier cousin of T. rex — provides some valuable clues.
If, on the other hand, you desire (or fear) the lineages of dinosaurs that became extinct 65 million years ago, such
as tyrannosaurs, then you are out of luck.
Timurlengia is particularly important because it is the first
tyrannosaur known from the middle part of the Cretaceous period.
Journeyman review: Paddy Considine follows up his superb directorial
debut Tyrannosaur, with this drama based around a boxer who suffers a serious head injury...
This starts off with the already silly hand - grenade - tied - to - a-hammer and continues on to an acid - vomiting
Tyrannosaurs Rex mask and what is essentially a lightsabre.
But the skull is notable for its unusually complex inner ear apparatus, typical of
later tyrannosaurs like T. rex, that would have given the modestly sized animal a keen sense of hearing.
But the
first tyrannosaurs in the fossil record after this gap, dated to about 80 million years, were already very large, up to 9 meters long.
Bistahieversor lived almost 10 million years before T. rex, but it also was a surviving member of a lineage that retained many of the primitive features from even farther back closer to
when tyrannosaurs underwent their transition to bone - crushing.»
Asara points out that his find does not mean chickens are the
closest tyrannosaur relatives among modern birds, since he was able to compare the T. rex sequences only to species present in public protein databases.
While Tyrannosaur's limited insights don't justify the gruelling sit, it's hard to find fault with its excellent cast.
His finds, made without picks or shovels, include some of the most complete sequences of ankylosaur and duck - billed dinosaur tracks anywhere in the world — and a
rare tyrannosaur print for good measure.
Very quickly the human - to - horse -
sized tyrannosaurs grew into supersized monsters, longer than a bus and weighing more than a ton.
DVD extras include an entertaining, profanity - strewn commentary from director and producer, and Considine's debut short Dog Altogether, from which
Tyrannosaur grew.
Life was rough for
teen tyrannosaurs, according to Florida State University paleontologist Gregory Erickson.
This gave us quite a surprise: Timurlengia had the same type of brain and ear as the
giant tyrannosaurs such as T. rex.
«Many groups, including ankylosaurs, ceratopsians, hadrosaurs, ornithomimids and
tyrannosaurs underwent radiations on this island continent.
Considine talked to me
about Tyrannosaur when he brought it to New York for New Directors / New Films in the spring.
This is highly unusual, given that most
Tyrannosaur fossils are unearthed around or below southern Canada and central Asia, much closer to the equator.
Olivia Colman of the
film Tyrannosaur poses for a portrait in the Fender Music Lodge during the 2011 Sundance Film Festival on Friday, Jan. 22, 2011 in Park City, UT.
→ 9 Comments Tags: Olivia Colman, Paddy Considine, Peter Mullan, posters, Sundance Film Festival,
Tyrannosaur Filed in: Daily
I started keeping a swear word tally at the start of Paddy Considine's Leeds -
set Tyrannosaur and abandoned my efforts several minutes in when it looked as if I was about to fill an entire page.
Yet another is the smallest in the world, meaning it is a juvenile, which can lead to an understanding of
how tyrannosaurs matured.
Analysis of a trove of North American dinosaur fossils shows a highly elevated death rate
among tyrannosaurs who had recently reached sexual maturity, which occurred between the ages of 14 and 18.
Attempts by paleontologists to understand how tyrannosauroids evolved
into tyrannosaurs have long been plagued by an inconvenient time gap: 20 million years between the early and late specimens.
tyrannosaurid Any of the large, two - footed therapod
tyrannosaurs living in the Cretaceous Period.
On the other hand, Carr cautions, the fossil record is still too patchy to pin the success of
tyrannosaurs on any particular feature of their brains.
McCrea agrees: «There are as yet no known trackways of
running tyrannosaurs, so we don't know for sure just what their upper speed limit was.»
Fossilized
tyrannosaur tracks are rare, even in areas where their skeletal fossils are abundant, says Scott Persons, a vertebrate paleontologist at the University of Alberta, Edmonton in Canada, and lead author of the new study.
One previous study of a single footprint of a large
tyrannosaur suggests that the beast could have been traveling as fast as 11 kilometers per hour (6.8 miles per hour), says Eric Snively, a vertebrate paleontologist at the University of Wisconsin, La Crosse.
A rare set of
tyrannosaur footprints is giving researchers insight into the walking speed of the prehistoric beasts, and it's possible that humans might have been able to outrun them.
But at some point, T. rex and other
tyrannosaurs began to use their giant jaws for grasping instead, and the limbs eventually atrophied.
Tooth marks found on the fossilised humerus of a plant - eating dinosaur found in Mongolia show that a large
tyrannosaur removed the meat from the bone, yet the rest of the skeleton showed no sign it had been attacked.
Among the
numerous tyrannosaur bones he's reviewed were «many face - to - face interactions, and I can't account for some of the marks unless the T. rex was on his back.»
In 1991, William Hammer, an NSF - funded researcher hunting for fossils in Antarctica's Beardmore Glacier region, discovered this skull (left) and a large femur, which belonged to a completely unknown species of therapod — a bipedal, carnivorous dinosaur whose members include the more
familiar tyrannosaurs and Velociraptors.
The goal, in the end, would be to steer the embryo down the path it would have gone if it were something like a very early coelurosaur, a dinosaur grouping that
counts tyrannosaurs and velociraptors among its members.
In addition to Nasutoceratops, the collection includes a variety of other plant - eating dinosaurs — among them duck - billed hadrosaurs, armored ankylosaurs, dome - headed pachycephalosaurs, and two other horned dinosaurs, Utahceratops and Kosmoceratops — together with carnivorous dinosaurs great and small, from «raptor - like» predators to a
mega-sized tyrannosaur named Teratophoneus.