Sentences with phrase «of ichthyosaur»

Months later, she unearths the skeleton of an ichthyosaur, the first fossil of its kind ever found.

The discovery of the ichthyosaur jawbone sheds light on the mystery of what they once thought as the «dinosaur limb bones».

It's the earliest evidence of Ichthyosaur embryos to have ever been found in the British Isles.

Now ancient marine reptiles may be closing the gap, as a new study reports the discovery of a huge fossilized jawbone belonging to an unknown species of ichthyosaur that may have measured up to 26 m (85 ft) long.

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.

Two of the species were later re-identified as other types of ichthyosaur, whereas one of these species, called Ichthyosaurus intermedius, was still considered closely related to I. communis.

In 1979, after inspecting several ichthyosaurs from the UK, palaeontologist Dr Robert Appleby announced a new type of ichthyosaur called Protoichthyosaurus.

Doyle says the shells couldn't have come out the other end of the ichthyosaur because they would have damaged its internal organs.

SEA MONSTER A 170 - million - year - old marine reptile (illustrated) found in Scotland may represent a new species of ichthyosaur.

Fish were the food of choice for the young of another type of ichthyosaur that lived more recently, previous research has suggested.

Lomax said, «The early accounts of ichthyosaurs were based on very scrappy, often isolated, remains.

In a stunning example of convergent evolution, Plotosaurus had evolved a body shape approaching that of the ichthyosaurs (Lethaia, vol 40, p 153).

C. lenticarpus «is the closest thing we have to a terrestrial ancestor» of ichthyosaurs, says Valentin Fischer, a vertebrate paleontologist at the University of Liège in Belgium, who wasn't connected to the research.

This new jawbone changes our picture of ichthyosaurs dramatically — not only does it beat out the largest - known shastasaurid, the 69 - foot Shonisaurus sikanniensis, it may reveal that mysterious bones discovered in other parts of the UK are also from giant ichthyosaurs:

A study published Monday in the journal PLOS One reported that this is the largest yet of the ichthyosaurs discovered in present time.

Besides using to distinguish between different groups of ichthyosaurs [69] and sometimes as an important taxonomic criterion [70], tooth shapes have been widely used in the past to deduce the preference of the animal for a particular prey or varied preys [69, 71].

Not exact matches

The weird creatures in the depths of the oceans, the ichthyosaurs, pterosaurs and other extinct species, the enormous varieties of plants, insects, crustaceans, reptiles, fish and mammals — all of this makes us wonder whether chance might not be as good an «explanation» as any for the morphological richness of life.

They compared it with several ichthyosaurs and visited the Royal Tyrrell Museum of Palaeontology in Alberta, Canada, and examined the largest ichthyosaur known, the shastasaurid Shonisaurus sikanniensis, which is 21 m long.

Other comparisons suggest the Lilstock ichthyosaur was at least 20 - 25 m. Of course, such estimates are not entirely realistic because of differences between specieOf course, such estimates are not entirely realistic because of differences between specieof differences between species.

Dean added: «One of the Aust bones might also be an ichthyosaur surangular.

The bone belongs to a giant ichthyosaur, a type of prehistoric aquatic reptile, and experts estimate the length of this specimen's body would have been up to 26 metres.

Paul said «Initially, the bone just looked like a piece of rock but, after recognising a groove and bone structure, I thought it might be part of a jaw from an ichthyosaur and immediately contacted ichthyosaur experts Dean Lomax (University of Manchester) and Prof. Judy Massare (SUNY College at Brockport, NY, USA) who expressed interest in studying the specimen.

Lomax and Massare identified the specimen as an incomplete bone (called a surangular) from the lower jaw of a giant ichthyosaur.

Cephalopod remains appear to dominate the stomach contents of a newly analyzed ichthyosaur fossil from nearly 200 million years ago.

Another baby ichthyosaur fossil that lived more recently had a stomach full of fish scales.

He points to a nearby ichthyosaur and notes the absence of any similar skeletal deformation.

Baby ichthyosaurs like the one illustrated here may have noshed on squid, a new analysis of a museum fossil suggests.

Now, the authors of the present study report what they believe to be the first Jurassic ichthyosaur found in India, from the Kachchh area in Gujarat.

A new near - complete fossilized skeleton is thought to represent the first Jurassic ichthyosaur found in India, according to a study published October 25, 2017 in the open - access journal PLOS ONE by Guntupalli Prasad from the University of Delhi, India, and colleagues.

Brusatte and colleagues know that the fossil belonged to an ichthyosaur, a type of ancient marine reptile, and that it probably reached 3 to 4 meters in length, about the size of a small rowboat.

Articulated skeleton of Ophthalmosaurid ichthyosaur at the excavation site south of Lodai village, situated 30 km northeast of Bhuj town, the headquarters of Ka - chchh District in Gujarat state, western India.

For their study, the researchers looked at three sets of fossils (now housed in museums in Denmark, England, and Texas) of widely disparate creatures from different eras: a leatherback turtle that lived about 55 million years ago, a large predator called a mosasaur that lived about 86 million years ago, and an ichthyosaur that swam the seas between 190 million and 196 million years ago.

Scientists say these bullet - shaped belemnite skeletons were part of a meal that didn't agree with an ichthyosaur.

Fifteen hundred hours of digging into northwest India's sedimentary rock has brought forth the nearly complete skeleton of a 150 - million - year - old ichthyosaur — a marine reptile that roamed the seas in the age of dinosaurs, National Geographic reports.

The evidence consists of shells that formed the inner skeletons of belemnites, a diet staple for ichthyosaurs, marine reptiles that plied the warm Jurassic coastal waters 160 million years ago.

Scientists in Britain have identified what they say is the world's oldest fossilized vomit — a collection of shells from an extinct squidlike creature swallowed long ago by an ichthyosaur.

• We should have described Richard Twitchett as a co-author of the study of scavengers on ichthyosaur remains (13 September,...

We can't know that, says Steffen Kiel of the University of Göttingen in Germany, as the ichthyosaur died in shallow water, but modern whale falls are deeper.

This Jurassic fossil, the first of its kind for India, suggests that ichthyosaurs were more widespread than previously thought, researchers reported this week in PLOS ONE.

Other scientists, however, dismissed the discovery of Protoichthyosaurus and suggested that it was identical with Ichthyosaurus, a very common UK ichthyosaur.

Lomax and Massare also teamed up with former undergraduate student Rashmi Mistry (University of Reading), who had been studying an unusual ichthyosaur in the collections of the Cole Museum of Zoology, University of Reading, for her undergraduate dissertation.

First, the ichthyosaur family tree suffered a massive pruning about 100 million years ago — a previously unrecognized event that reduced the formerly diverse group of predators to a remnant that included only top - of - the - food - chain creatures.

Overall, comparing Vadasaurus's features with those of earlier and later pleurosaurs may provide scientists with insights about how evolution might have progressed among other, totally separate lineages of ancient creatures that also undertook the land - to - sea transition, including ichthyosaurs and mosasaurs, marine reptiles that swam the seas worldwide during large portions of the dinosaur era.

Scientists know a good deal about these animals from the fossil record, but newly published results in Historical Biology, gleaned from a long - forgotten specimen recently discovered in the Lapworth Museum of Geology at the University of Birmingham in the United Kingdom, are recasting both the size and diets of baby ichthyosaurs.

The dolphins of their day, ichthyosaurs were marine reptiles that breathed air and swam at high speeds.

The ichthyosaurs were a diverse group of aquatic reptiles that went extinct about 95 million years ago.

Ichthyosaurs were a massive group of marine reptiles that lived around the time of the earliest dinosaurs.

For much of the time dinosaurs were lording over the land, sleek marine reptiles called ichthyosaurs were the masters of the sea.

Taken together, the team concludes these features show ichthyosaurs were highly mobile predators with a keen sense of sight and smell.

Ichthyosaurs, which are similar - shaped to dolphins and sharks, but are reptiles, swam the seas for millions of years during the Triassic, Jurassic and Cretaceous periods.