How To Use Pterosaur In A Sentence
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There were exceptions: K.A. von Zittel (1882) imagined pterosaurs as possessing narrow, swallow-like wings that did not attach further distally than the knee, and Harry Seeley (1901) opined that the patagia may not have incorporated the hindlimbs at all.
Archive 2006-05-01
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Pterosaurs were the first vertebrates, or animals with backbones, to flap their wings and fly.
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This indicates that broad-chord patagia are both widely distributed within pterosaurs, and the norm for the group.
Archive 2006-05-01
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Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile.
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Pteranodons were flying reptiles (pterosaurs) that were about 6 feet (1.8 m) long, had a 25-33 foot (7. 8-10 m) wingspread, and weighed about 35 pounds; its standing height was about 6 feet (1.8 m).
Pteranodon/Pterosaur Papercraft | Papercraft Paradise | PaperCrafts | Paper Models | Card Models
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A golobal overview of pterosaur ichnology: tracksite distribution in space and time. p187-198.
Flugsaurier: Pterosaur papers in honour of Peter Wellnhofer
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Protohadros was a large ornithopod native to Texas, living at the very end of the Early Cretaceous period, right before the big extinction in the Turonian that knocked off the stegosaurs, a lot of the pterosaurs, and others.
Life's Time Capsule: Thoughts on Palaeoart II
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The most amazing fact about the evolution of flight is the extent of convergent evolution between the three main groups that evolved it (again, the pterosaurs, birds, and bats).
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See purple - red sandstone layers in the fossil pieces retained, Dong initially that this is pterosaur fossil.
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When the researchers compared the pterosaur brains with those of modern birds, they bore some similarities, but most notably the pterosaurs had an unusually large part of the brain known as the flocculus and large inner ear canals.
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Well, if the Pterodacytls are considered a separate group then Pterosaurs are apparently already paraphyletic.
Darwinopterus and mosaic, modular evolution - The Panda's Thumb
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The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America.
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Impressions of the wing patagium of the Late Jurassic pterosaur Sordes pilosus clearly show the membrane connected to the hindlimb all the way to ankle and a well developed cruropatagium stretched between the hindlimbs.
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Other archosaurs included the pterosaurs, relatives of dinosaurs but not true dinosaurs.
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Fossils of flying reptiles come in two versions: the older long-tailed pterosaurs and the more recent short-tailed versions.
Darwinopterus, the New Flying Reptile
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Birds have feathers, which are unfeeling structures, whereas the pterosaur's wings were made entirely out of skin.
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By plotting the lengths of femora, tibiae and metatarsi onto ternary diagrams, Daniel Elvidge and David Unwin found that pterosaurs occupied a tight, compact group of data points within morphospace, and a ‘data cloud’ similar in size to that occupied by bats.
Archive 2006-05-01
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Fossils include foraminiferans, brachiopods, echinoids, pelecypods, cephalopods, shark teeth, fish vertebrae, as well as asteroids, gastropods, a pterosaur, a nodosaurid, and decapods.
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Some researchers have proposed that the first pterosaurs were bipedal or quadrupedal arboreal gliders, but these hypotheses do not incorporate a robust phylogenetic and functional basis.
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Let's investigate the origin and evolution of flight in our representative taxa: the Pterosauria, Aves, and Chiroptera (bats).
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First described for a partial snout from the Brazilian Santana Formation, Tupuxuara longicristatus Kellner & Campos, 1988 is a toothless Cretaceous pterosaur with a rather long, subtriangular skull.
Those sexy tupuxuarids
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Fossils include foraminiferans, brachiopods, echinoids, pelecypods, cephalopods, shark teeth, fish vertebrae, as well as asteroids, gastropods, a pterosaur, a nodosaurid, and decapods.
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It now seems that nearly all of the characters proposed initially to distinguish Tupuxuara from other pterodactyloid pterosaurs are problematic in not being unique to the genus, but in fact Tupuxuara is clearly diagnosable, being unique in having a sort of deep premaxillary crest in which the dorsal margin extends subparallel to the dorsal margin of the nasoantorbital fenestra (Martill & Naish 2006, p. 931).
Archive 2006-11-01
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Based on widely accepted criteria, pterodactyls and other pterosaurs are not dinosaurs.
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An analysis of more than 100 museum specimens shows that the curvature of claws on pterosaurs ' wing fingers was, on average, comparable to that of perching birds.
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The numerous small teeth have three or five cusps, a unique characteristic among Pterosaurs.
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By demonstrating one-way or "unidirectional" airflow within the lungs of alligators, the new study - published in the Friday, Jan. 15 issue of the journal Science - means that such a breathing pattern likely evolved before 246 million years ago, when crocodilians split from the branch of the archosaur family tree that led to pterosaurs, dinosaurs and birds.
PhysOrg.com - latest science and technology news stories
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Many pterosaurs hunted fish, like spinosaurs did, so they would have been present in the same habitats - near coasts or inland bodies of water.
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A family of Arambourgiania philadelphiae - a large azhdarchid pterosaur, formally called "Titanopteryx," found in Jordan from the Late Cretaceous Maastrichtian.
Life's Time Capsule: Pterosaur Gallery
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Of all the surprising things I was exposed to at the time, none was more striking and bizarre than the gigantic wall-mounted display on azhdarchid pterosaurs.
Archive 2006-04-01
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I felt this prediction had come true when the post on azhdarchid pterosaurs attracted a record 14 responses.
Archive 2006-06-01
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By plotting the lengths of femora, tibiae and metatarsi onto ternary diagrams, Daniel Elvidge and David Unwin found that pterosaurs occupied a tight, compact group of data points within morphospace, and a ‘data cloud’ similar in size to that occupied by bats.
Archive 2006-05-01
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I'm taking the plunge and modifying my 3D stem Pterosaur I'm aiming for a generic early Jurassic pterosaur for use in a upcoming Traumador project... it is supposed to be non specific unless someone can point out a southern hemisphere 190ish mya pterosaur to have less wing to leg attachement on your advice.
Life's Time Capsule: Questions about Pterosaurs #1
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The Triassic thecodonts had given rise to the dinosaurs and pterosaurs in the late Triassic, and these now gave rise to an extraordinary range of adaptations to new habitats.
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By demonstrating one-way or "unidirectional" airflow within the lungs of alligators, results of the new study suggest that such a breathing pattern likely evolved before 246 million years ago, when crocodilians split from the branch of the archosaur family tree that led to pterosaurs, dinosaurs and birds.
RedOrbit News - Technology
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Now a newly described fossil of a flying reptile called a pterosaur has been found to have a spinosaur tooth stuck in its spine.
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The recent discussion about pterosaur patagia inspired this simple, but I think effective, visual representation of many possibilities for patagial ? configurations.
Life's Time Capsule: Pterosaur Gallery
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Here, a diverse and well-preserved assemblage of dinosaur meat-eating theropod, long-necked sauropod, and plant-eating ornithopod, pterosaur, and bird tracks have been recovered from Lower Cretaceous-aged rocks exposed along the Yellow River.
Dinosaurs along the Silk Road
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After closely looking at the exhibits, I came to the conclusion that the presence of feathers on pterosaurs is very much a matter of speculation.
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The ornithodires went on to produce pterosaurs and dinosaurs, including the birds.
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The recent discovery of a pterosaur specimen covered in long, dense, and relatively thick hairlike fossil material was the first clear evidence that his reasoning was correct.
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Stomach contents of a metriorhynchid were described by Dave Martill (1986) and included cephalopod hooklets, a belemnite guard and some long bones that Dave identified as those of the pterosaur Rhamphorhynchus.
My party and those marvellous metriorhynchids
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While it was believed that dinosaurs and pterosaurs derived from the thecodonts, no one had a good idea of where the divergence had occurred.
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A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs.
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Pterosaurs are in fact a sister group of crocodilians and dinosaurs (including birds) in the archosaur clade.
Darwinopterus, the New Flying Reptile
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Of the pterosaur —a flying reptile—the researchers found a large fragment of beak.
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Today paleontologists know the Badlands are full of bones of mosasaurs (giant marine reptiles that plied an inland sea there during the Cretaceous period) and pterosaurs (giant flying reptiles).