Wednesday, December 28, 2011

Dinosaur fossil originate in Alberta in 1916 a new-fangled type

Dinosaur fossils

After meeting dirt on a ledge for more than 90 years, two before unnoticed skulls have been recognized as an original dinosaur type which once roamed the plains of southern Alberta.

The skeleton of the recently named Spinops Sternbergorum were at first exposed southeast of Calgary in 1916 by a father and son science squad.

Charles and Levi Sternberg — who are now privileged in the original dinosaur's first name — sent two fractional skulls to London's Natural History Museum and even spoke a guess that the bones might point to a before unidentified dinosaur.

But those investigative the skulls at the British museum at the time disagreed labeled the fossils as "refuse" and the skeleton were punctually beyond for years.

Virtually a century afterward, a squad of global scientists rummaging through the museum's set of skeleton stumbled ahead the skulls, re-examined them intimately and set up that they belonged to a kind unidentified awaiting now.

"We had no plan that it was out there, that's why it was so astonishing to find it," said Andrew Farke, guardian at California's Raymond M. Alf Museum of Paleontology and guide author of a learn which named the original dinosaur.

"When many colleagues and I dotted these specimens in the set, we right away knew it was amazing dissimilar."

The discovery of the original kind comes at a moment when scientists' facts of horned dinosaurs is "rising exponentially," said Farke, who further that Canada has a vital place to take part in the deepening of our information on the creatures that roamed the ground millions of years ago.

"Over the earlier 20 years or 30 years there's been an actual rebirth of paleontology in Alberta," he said. "I think Alberta is going to trait actually highly in the paleontology reports more than the after that little years."

Wednesday, December 21, 2011

Detection of dinosaur footpath at Red Rock excites scientists

Dinosaur footpath
In an ocean of dunes stretching to the prospect, a size the dimension of a Doberman strode through damp sleek that squished between its talon-tipped toes. Where the creature was headed and why has been misplaced eternally down the health of geologic moment, however its mud-covered path march on in an exceedingly chunk of stonework twenty-five miles from the band.

Officials at Red Rock Canyon nationwide management space have established the detection of dinosaur footpath and alternative tracks laid down about a hundred ninety million years ago. The footpath was established in early on September by a number of usual company to Red Rock who also helper at the protection area.

Researchers established the find throughout a meadow journey to the place just before the start of a global paleontology meeting detained in Las Vegas early on this month.At least one of the three-toed prints is ringed with what looks like ripples caused when the animal's bottom marked behind in the mire."They pace down, the ripples go away, and it stays there for 180 or 190 million years. It's unbelievable," said Tim Wakefield, filed manager for the U.S. Bureau of Land Management at Red Rock.

It is the primary detection of its class inside the 195,000-acre maintenance area. Experts are vocation it the primary place of dinosaur tracks to be officially recognized anywhere in Nevada. At first flush, he said, the tracks emerge to approach from a two-footed, meat-eating dinosaur that was most likely no more than about 3 feet long from snout to tail.

But Breithaupt warned that it is "very hasty" to say about something with conviction about the person. The footpath was originated in a sheet of Aztec sandstone, the similar kind of rock in which fossilized dinosaur tracks have been discovered in Utah and Arizona.

Monday, December 12, 2011

Long-ignored fossil determined to be brand new species of horned dinosaur

Dinosaur fossil
A set of dinosaur bones unearthed in Alberta in 1916 and left unexamined on a shelf in Britain's Natural History Museum for over ninety years has yielded a sudden and significant discovery: a brand new species of horned dinosaur that is forcing scientists to review the dividing line between two huge, plant-eating beasts associated with the well-known triceratops. The 75-million-year-old skull fragments from many people of the newly identified species were found during a first World War-era dig in an exceedingly dinosaur bone bed southeast of Calgary, inside or just outside of today's Dinosaur Provincial Park.

The specimens were collected by the renowned American fossil hunter Charles H. Sternberg and his son Levi.

The family, which later was instrumental in the creation of Dinosaur Provincial Park, created several pioneering paleontologists who went on to distinguished careers in Canadian science, including Levi with the Royal Ontario Museum and his brothers George at the University of Alberta and Charles M. Sternberg of the longer term Canadian Museum of Nature.

The Alberta bones delivered to Britain ninety five years ago were promptly dismissed as indecipherable "rubbish" by the London museum's geology curator. In 2000, when seeing photos of the fossils that suggested they could in fact, represent a brand new species, Canadian paleontologist Michael Ryan —currently curator of vertebrate paleontology at the Cleveland Museum of Natural History — visited the British museum solely to find that the bone fragments had been misplaced.

More recently, American dinosaur professional Andrew Farke contacted Ryan to mention that he'd found the Sternberg specimens and agreed that they marked an important but long-overlooked insight into the evolution of horned dinosaurs.

Monday, December 5, 2011

MSU lab manager shares microscopic pictures of dinosaur bones with growing audience

Dinosaur Bones

dinosaur bone that Ellen-Thérèse Lamm produces and the colorful images taken of those fossils underneath a Montana State University microscope still gain new audiences. So far this year, the manager of the Gabriel Lab for Cellular and Molecular Paleontology at the Museum of the Rockies (MOR) has revealed analysis with MOR Curator of Paleontology and MSU's Regents' Professor Jack Horner during a French scientific journal, created a 2012 MOR calendar, been featured in a trade magazine and been chosen as a finalist in a global photomicrography contest.

The microscopic structure of dinosaur frills at completely different stages of growth was described and analyzed during a paper Lamm co-authored with Horner. The paper was published in April in Comptes Rendus Palevol a French journal of paleontology and evolutionary sciences. Lamm created the thin-section slides used in this research to capture the photographs for her and Horner's publication, which described the distinctive tissue growth strategies that Triceratops used to ultimately grow such a massive expanded frill.

The photomicrographs were taken with a polarized light-weight microscope, which enables scientists to control light-weight conditions to analyze the optical qualities of a sample, Lamm said. Polarized light-weight passing through a thin-section of bone is split at different angles depending on the structure and organization of the crystal structures. It is then re-collected by an analyzer and delivered to the attention during a variety of colors and patterns.

"The pictures are not only stunning and intriguing, but indicate differing kinds of biological tissue, as well as show the orientation of fibers in the original bone," Lamm said."The images are not stunning and intriguing, however indicate different types of biological tissue, as well as show the orientation of fibers in the original bone," Lamm said.

Friday, November 18, 2011

New dinosaur detect on Alaska's North Slope by Scientists

Dinosaur News
There’s brand new kind dinosaur out there, and it lived in Alaska.Its bones, long turned to stone, are part of a cliff in northern Alaska. That’s where dinosaur-hunter Tony Fiorillo brushed dirt far from a little of its large skull, one thing that most of us would mistake for a rock.

The year was 2006. The month of August and summer had fled the Colville River, if it had been there at all. Dinosaur hunter Fiorillo, where he works at the Museum of Nature & Science, he visits Alaska each summer from Dallas, remembers climbing from his tent with a heavy head every morning.

On one wet, miserable day, Fiorillo was sticking to a hillside higher than the river; speak actually the soil gently with a trowel. Noticing an uncommon lump, he picked up a brush to softly whisk the dirt away. Suddenly, a complete skull came into focus, and he felt a warm flush of discovery. “When I had that moment of recognition, only (a large nasal bone) was exposed,” Fiorillo said. “But in my mind I could see the rest of the skull.”

Fiorillo was excited because he could tell the specimen was one of the rare ones intact enough to be displayed in a museum, and the Museum of Nature & Science in Dallas was then planning a new building. As he and his digging partners, including Paul McCarthy of the Geophysical Institute and the University of Alaska Fairbanks Geology and Geophysics Department, unearthed the skull and coated it in plaster for a helicopter ride out, Fiorillo didn’t know they had found a species unknown to science.

The dinosaur, that lived in northern Alaska about seventy million years ago, is a plant eater with an enormous shielded head that looked something like a Triceratops, only without a horn extending from its nose. Its mouth resembled a giant parrot’s beak.

Thursday, September 22, 2011

Dinosaur Might Buried Alive

Dinosaur

Sauropodomorph an herbivorous, long necked dinosaur has been discovered at Utah's red rocks.

The dinosaur was seemed to be buried, perhaps while it was still living, via collapsing sand dune.

The buried residue symbolizes the Utah’s oldest most complete dinosaur.

A sand dune was collapsed during the Early Jurassic Period, at Utah's red rocks with such power that it might have buried alive a plant-eating dinosaur, by placing the dead body in the tomb and preserving the dinosaur upside-down for 185 million years, according to a novel published in the journal PLoS ONE.

The dinosaur has been named as Seitaad ruessi in which the first word represents a Navajo creation legend sand-desert monstrous that consumed individuals in the dunes. The next word honors the artist and explorer Everett Ruess, who died strangely at the age of 20 in the similar area during the 1930s.

Ruess' body has not at all been found, but the fossils of the original dinosaur froze the animal's ultimate moments. A CT scan makes known that the dinosaur was missing a particular toe and a lower leg bone, suggesting that it either died and was shortly thereafter swallow up by a collapsing sand dune, or was buried alive.

Wednesday, September 7, 2011

Plesiosaur – Gives Single Birth in Water

Plesiosaur Dinosaur
Plesiosaur a kind of dinosaur is defined as one which has a giant, long-necked swimming reptile and has been lived for a period of about 78 million years ago. It is a kind of carnivorous marine reptile.
After the detection of plesiosaurs, it is said that it resembles a snake threaded through the shell of a turtle, even though they had no shell. Their skeletons were first found in England by Mary Anning before the period of early 19th century. And it is the first fossil vertebrates to be illustrated by science.
This unique dinosaur has determined a long-held secrecy about the animals and how they reproduced.
As per the scientists those marine livings of ancient seas such as modern whales and dolphins are actually gave birth to their newborns beneath the water one at a time, and could have cared for them much as modern whales do.
Many creatures in the marine reptile world of that period shows that they gave birth to a dozen or more at a time but plesiosaur is the first to show proof of a single birth and only in the water, according to the paleontologists.

Saturday, August 6, 2011

New species of Dinosaur found in India

U.S. and Indian scientists said Wednesday they have exposed a new carnivorous dinosaur species in India after finding bones in the western part of the country. The new species of dinosaur was named Rajasaurus narmadensis, or "Regal reptile from the Narmada," after the Narmada River region where the bones were found. The dinosaurs were between 25-30 feet long, had a horn above their skulls, were comparatively heavy and walked on two legs, scientists said. They preyed on long-necked herbivorous dinosaurs on the Indian subcontinent for the Cretaceous period at the end of the dinosaur age, 65 million years ago.

"It's tremendous to be able to see this dinosaur which lived as the age of dinosaurs came to a close," said Paul Sereno, a paleontologist at the University of Chicago. "It was an important predator that was related to species on continental Africa, Madagascar and South America."A model of the assembled skull was presented Wednesday by the American scientists to their counterparts from Punjab University in northern India and the Geological Survey of India in a Bombay news conference.


Scientists said they expect the discovery will help explain the extinction of the dinosaurs and the shifting of the continents - how India separated from Africa, Madagascar, Australia and Antarctica and collided with Asia. The dinosaur bones were discovered throughout the past 18 years by Indian scientists Suresh Srivastava of the Geological Survey of India and Ashok Sahni, a paleontologist at Punjab University.

When the bones were scrutinized, "we realized we had a partial skeleton of an undiscovered species," Sereno said. The scientists said they consider the Rajasaurus roamed the Southern Hemisphere land masses of present-day Madagascar, Africa and South America. "People don't understand dinosaurs are the only large-bodied animal that lived, evolved and died at a time when all continents were united," Sereno said.

The cause of the dinosaurs' death is still debated by scientists. The Rajasaurus discovery may give crucial clues, Sereno said. India has seen quite a few paleontological discoveries newly. In 1997, villagers exposed about 300 fossilized dinosaur eggs in Pisdura, 440 miles northeast of Bombay that Indian scientists said were laid by four-legged, long-necked vegetarian creatures. Indian scientists said the dinosaur embryos in the eggs may have suffocated at the period of volcanic eruptions.

Tuesday, August 2, 2011

Era of Thalattosaur Skeleton

Thalattosaur Skeleton
Thalattosaur Skeleton

Thalattosaurs an ocean lizard which lived during the mid-late of Triassic period Belongs to a group of marine reptiles. Its fossil skeleton which was 20 million year old was found in Alaska along the sea shore of a low tide near Tongass National Forest. It is very unique that one could not expect to see on a day at the beach.
According to International Business Times, Alaskan scientists determined that the skeleton was of a rare marine creature and being sunken in water and rocks, called Thalattosaurs. The last survive of this creature was from about 200 million years ago.
The next is about scientists who are continuing to dig out the remaining of the fossils along with finding the skull which may be hidden deep into the beach rocks. They were able to excavate two huge slabs of rocks with fossils embedded. The digged slabs were sent to a museum lab in order to chip out the fragile bones in trust of enlightening one of the most complete Thalattosaur skeletons yet discovered.
Dr Jim Baichtal, a geologist and part of the discovery team, said The Daily Mail that finding the skeleton was a total surprise.

Dinosaur Skeleton

Monday, July 25, 2011

Two-legged Dinosaurs were peace-loving veggies

Most violent two-legged Dinosaurs became peaceable vegan, according to new research, writes Geoffrey Lean.

Scientists at Chicago's Field Museum studied the diet of 90 species of theropods – colloquially called "predatory dinosaurs", which in a lot of cases became the ancestors of modern birds – examining the teeth, fossilised dung (the mind boggles) and stones in the stomach that had been used to grind vegetation.


They establish that even though the therapods' bodies still made them ideal hunter-killers – which is how leading scientists had believed they remained until they became extinct – most species, in fact, turned vegetarian.

"Somewhere on the line to birds," says the familiar researcher, Dr Lindsay Zanno, "predatory dinosaurs went soft." Ultimately, they developed toothless beaks.

Another study, by the University of Texas, augments the image of the peace-loving dinosaur by challenging another conventional view – which they took over the world by driving out other animals. Instead, it seems, they were "humbler, more opportunistic creatures" that took benefit of a mass extinction 200 million years ago. "They didn't invade the neighborhood," says Prof Tim Rowe. "They waited for the inhabitants to leave and then moved in when no one was watching."

Thursday, July 21, 2011

Skeletons of dinosaurs sell for $2.75m

The skeletons of three large dinosaurs are among a treasure trove of natural history artifacts that have sold at a sole auction in Dallas.

The quality stars of the Heritage Auctions bidding were a "fighting pair" of dinosaur skeletons that sold to a museum for $2.75 million (£1.7m), and an enormous, 19-foot-long triceratops that fetched $657,250 (£400,000) from a private collector.

The sale included more than 200 items, including meteorites, minerals and other fossils.


The fighting dinosaurs - an allosaurus and a stegosaurus - were offered mutually because of their discovery in a Wyoming quarry with the jaw of the allosaurus wrapped around the leg of the stegosaurus, leading to speculation that the two were engaged in a predator-prey battle.

Heritage Auctions declined to reveal which museum picked up the pair, though the organisation did say the museum was outside the United States.

"I'm ecstatic that 'the fighting pair' establishes such a great home," David Herskowitz, director of natural history at Heritage Auctions, said in a statement. "These are important and iconic Jurassic-era specimens, which science did not even know existed together at the same time, and now they will be going to a final end where the public will get to enjoy them and where they will be of maximum benefit to science."

Thursday, July 14, 2011

In Argentina Pint-sized ancestor of Tyrannosaurus rex was discovered


The ancestor of Tyrannosaurus rex, who lived when dinosaurs were the underdogs 230 million years ago, has been discovered by scientists in Argentina.

Eodromaeus was four feet long from nose to tail-tip and weighed just 10 to 15 pounds.

Nonetheless the two-legged dinosaur predated the biggest and most fierce land predators that ever lived, including T. rex.

Fossil bones of two of the creatures were unearthing side-by-side at a desert site known as the Valley of the Moon in northern Argentina.

Researchers pieced together a near-complete skeleton of the new species which they illustrate today in the journal Science.

Study leader Dr Paul Sereno, from the University of Chicago, US, described: "It really is the earliest
look we have at the long line of meat eaters that would eventually culminate in Tyrannosaurus rex near the end of the dinosaur era.”

Monday, July 11, 2011

Dinosaur with Single-clawed

A dinosaur with one-fingered and a single large claw on each hand has been discovered in China.

Scientists believe Linhenykus monodactylus, which stood just 2ft tall and weighed about the same as a huge parrot, may have used its dino-digits to dig into insect nests.

The biped creature belongs to the alvarezsauroids, a branch of the ''theropod'' family of carnivorous dinosaurs.


Theropods gave rise to modern birds and included well-known names such as Tyrannosaurus rex and Velociraptor.

But researchers found Linhenykus had one remarkable feature not seen in any of its relatives, a single functional finger on each hand bearing a large claw.

Michael Pittman, from University College London, one of the scientists who illustrate the find today in the journal Proceedings of the National Academy of Sciences, said: ''Non-avian theropods begin with five fingers but evolved to have only three fingers in later forms.

Wednesday, July 6, 2011

Dinosaur the size of a giraffe could fly large distances and even cross continents

A dinosaur the size of a giraffe was able of launching itself into the air and flying for thousands of miles, scientists have discovered.

Dr Mark Witton, a palaeontologist from the University of Portsmouth and Dr Michael Habib from Chatham University USA, has studied how the giant pterosaur, which was as big as a giraffe, could get off the ground.

airborne-dinasaur

They said they had disproved claims that enormous prehistoric winged beasts could not fly, with new evidence showing how they handle to get themselves airborne.

They found that the reptiles took off by using the powerful muscles of their legs and arms to push off from the ground, efficiently pole-vaulting over their wings.

Once airborne they could fly large distances and even cross continents, the scientists claim.

According to Dr Witton : ''Most birds take off either by running to pick up speed and jumping into the air before flapping wildly, or if they're small enough, they may merely launch themselves into the air from a standstill.

Previous theories suggested that giant pterosaurs were too large and heavy to perform either of these manoeuvres and therefore they would have remained on the ground.

But when investigative pterosaurs the bird analogy can be stretched too far.

These creatures were not birds they were flying reptiles with a definitely different skeletal structure, wing proportions and muscle mass.

They would have attained flight in a completely different way to birds and would have had a lower angle of take off and initial flight trajectory. The structure of these creatures is unique.

Thursday, May 19, 2011

Adult Dinosaur Skull Secrets

Wilson an assistant professor in the Department of Geological Sciences and an assistant curator at the U-M Museum of Paleontology said that a dinosaur Diplodocus by name had an unusual skull.

Diplodocus skull
The small Diplodocus skull, however, suggests that the most important changes taken place in the skull throughout the animal's life.

Examination of the youngest and most absolute dinosaur skull of any kind of tyrannosaur discovers significant differences between the young and old of the same species.

A 2-3 year old Tarbosaurus skull was discovered in Mongolia in the year 2006 which is 29 centimeter long skull which is a part of an almost entire skeleton that’s missing only the neck and a part of the tail. It tends to be a close relative of the North American Tyrannosaurus Rex a giant meat-eating predator that lived 70 million years ago.

Ohio demonstrated the structural distinction between the youthful predators and their fearsome elders with the assist of CT scans. It is examined that the skull is relatively delicate and wouldn’t have been able to hold up the kinds of thrashing about and powerful sorts of actions that the adults have. So what this creature must have done is have a very different kind of hunting approaches.

The adults use their supremacy and mass to kill large prey. Witmer says the adolescent were alert and skillful individuals.

There is a clue from a Tyrannosaur species is that some of these young animals actually palled around in groups of juveniles which is a sort of rambling gangs of young tyrannosaurs potentially avoiding the adults.

A sophisticated picture of ecosystems gives us a clear idea in terms of who was eating whom.

In the past it has been said that the Tarbosaurus as a class was the one predator.

But right now it has been thought that Tarbosaurus in fact presented in a sense, multiple kinds of predators.

Witmer expects more secrets will be revealed from the young Tarbosaurus skull.



Visit: Behavior Management: Applications for Teachers

Monday, April 18, 2011

A Visit to Dinosaur Park

A Visit to Dinosaur Park

Even though Dinosaur died out there are abundance of tourism target to see Dinosaur fossils, eggs and much more. Here are the most excellent dinosaur tourism destinations in world.

Dinosaur Valley State Park, Glen Rose Texas - situated near the Glen Rose, Dinosaur Valley State Park is well-known for the well sealed tracks of dinosaur. The tracks are along the Paluxy River. Along with the tracks there are educational shows and two replicas of dinosaurs.

Dino Park

Dinosaur Provincial Park, Alberta - The Dinosaur Provincial Park in Alberta, Canada is an exclusive journey destination that attracts more than 350,000 tourists per year.

George S. Eccles Dinosaur Park, Utah - The George S. Eccles Dinosaur Park in Ogden has over 100 life mass copy of the dinosaurs. This is a great set to take you kids where they can slide down the snout of a dinosaur or mount inside the head of Triceratops. The park also provides in turn on dinosaur’s findings in Utah. The best movement in the park is to dig out real dinosaur bones in the sand along with paleontologists.

Dinosaur National Monument, Jensen - The best characteristic of the Dinosaur National Monument is the Douglass Quarry at the Dinosaur Quarry Visitor Center where tourists can observe well preserved 1500 dinosaur fossils uncovered in the cliff. Douglass Quarry yields one of the best photos of Jurassic Period dinosaurs in the world.

Balasinor Jurassic Park, Gujarat - The little city of Balasinor is often described as Jurassic Park of India. The place is famous for the 150 million years old dinosaur remnant and eggs. The is the only place on Earth where tourists can hold a 150 million year old dinosaur egg in their hand. Around 9 type of dinosaurs are extracted at Balasinor.

Tuesday, April 5, 2011

Outsized Species

Zhuchengtyrannus-Bmagnus

The Zhuchengtyrannus magnus, a newly revealed giant theropod from China, is considered to be the biggest plant-eating dinosaurs forever identified by paleontologists.

Its enormous dimensions draw closer in at four meters tall and 11 meters long and its weight is around 6 tonnes.

Magnus was an element of the tyrannosaurines collection immense, bipedal theropods like the Asian Tarbosaurus.

It is believed to be roamed around North America and eastern Asia all through the late Cretaceous Period which is about 99 to 65 million years ago.

Zhuchengtyrannus is recognized by its exclusive characteristics in its skull and teeth.


It was originated in the Chinese city of Zhucheng which lies in the eastern Shandong Province.

This tyrannosaurine, along with the T. rex, fit into a group of massive theropods known as “beast-footed” dinosaurs.

They were called so since they known for their bone-crushing jaws.




Friday, April 1, 2011

Detection of T-Rex’s kin

T-Rex
The sixth member of the Tyrannosaurus relations which is about 11 meters long called as small cousin of T-Rex was discovered in London.

A fresh dinosaur species that resembles the well-known marauder has been discovered in China by an Irish biologist.

Dr David Hone, a lecturer at UCD's School of Biology and Environmental Science, chief of an international team of scientists including one of the world's foremost paleontologists who newly recognized the new dinosaur.

Their conclusions will be in print in the scientific journal Cretaceous Research.
The new dinosaur Zhuchengtyrannus magnus remains were found after the area in Shangong province in eastern China.

After the foundation of the fractional skull and jawbones scientists consider that the creature would measured 11 meters long, stood four meters high and weighed almost six tonnes similar in size to the infamous T-Rex.
It is also believed to be one of the largest rapacious carnivores ever known by the scientists.

Along with this new one another species Asian Tarbosaurus by name joins an elite club of gigantic dinosaurs called tyrannosaurines that are whispered to have roamed North America and eastern Asia during the late Cretaceous Period between 65 and 99 million years ago.

They were gigantic beasts characterized by huge bone-crushing jaws, small arms and two-fingered hands.

Dr Hone said that it is hard explain he overall size of this animal with some skull and jawbones.

He also added that the frame is few centimeters smaller than the equivalent ones in the largest T-Rex specimen. So there is no distrust that Zhuchengtyrannus was a huge tyrannosaurine.

He said that the new dinosaur can be renowned from a new tyrannosaurines by a combination of exceptional features in the skull.

The new genus was named as Zhuchengtyrannus magnus which gives the meaning as Tyrant from Zhucheng



Sunday, March 27, 2011

Dinosaur with distinctive cranial crown

Lambeosaurus a hadrosaurid dinosaur lived about 76 to 75 million years ago during the Late Cretaceous Period in the region of North America. This bipedal or quadrupedal, plant-eating dinosaur was recognized for its unique concave cranial crest It is about 15 meters long. The Mexican species L. laticaudus was considered to be one of the highest ornithischians.


Lambeosaurus
Lambeosaurus was tardily described by William Parks in 1923.Twenty years later the first matter was premeditated by Lawrence Lambe. The genus had a difficult taxonomic record since small-bodied cranial hadrosaurid were recognized as infantile and thought to belong to own genera and species. At present, a variety of skulls are allocated to the type species L. lambei and the interpretation shows the age differences and sexual dimorphism between the skulls.

Lambeosaurus directly relates to a species name Corythosaurus, which is found vaguely in older rocks. All had strange crests, which are served for some social functions like noisemaking and identification. Lambeosaurus was pretty parallel to the famous Corythosaurus in everything except in the form of the head decoration. In comparison with Corythosaurus, the crown of Lambeosaurus was moved ahead, and the concave nasal passages are at the front of the crest and stacked vertically.

Lambeosaurus move on two legs as well as with four which is exposed by footprints of related animals. It had an elongated tail stiffened by hardened tendons that is used to prevent it from sagging. The hands consist of four fingers lacking the innermost one of the comprehensive five-fingered tetrapod hand. The second, third, and fourth fingers were clustered together with weary hooves suggesting that the animal could use the hands for sustain. The fifth finger was liberated and used to work on some objects. Each foot of Lambeosaurus had only three central toes.


Visit: Child Development (8th Edition) by Laura E. Berk

Friday, March 25, 2011

Fossilized footpath of dinosaur

The collection of dinosaur footprints varies from few inches to around few feet across and the biggest footprints belonged to the huge long necked and tailed plant-eating dinosaur called sauropods.The theropods which are the meat-eating dinosaurs comprised of three-toed feet.The feet of plant-eating dinosaurs vary from meat-eating dinosaurs.

Dinosaur footprints usually made in sludge or fine sand have been found over 1500 places including quarries, coal mines, riverbeds, deserts, and mountains.There are many fossils found as each dinosaur made many tracks it can fossilize well.Moreover relating a set of tracks with a particular genus is normally impossible.


Real foot prints
The subsequent are the information about fossil footprints,
Speed
Length of stride,
The bone structure of the foot,
Irritating behavior the existence of herds,
Whether they walked on two or four legs and how their tail was carried.

Dinosaur footprints are extremely rich in many areas, and provide prosperous sources of scientific information on dinosaur behavior, locomotion, foot anatomy, ecology, chronology, and geographic distributions.The extensive revival of significance in dinosaurs has been liked by a new interest in dinosaur tracks.

Today countless professional "trackers" are vigorously studying about the footprints of dinosaur all around the world. For ruling, documenting, and interpreting dinosaur footpaths include tackle and techniques which varies from those applied to corpse fossils. A number of admirable dinosaur footpaths are now available to the public.

Theropod track
Some footpaths are so fresh- looking which is hard to imagine that the track-walkers having stridden by only moments before.Until the desire of cloning dinosaurs becomes a reality, this is probably the closest one we can come to stand beside a breathing dinosaur.