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Topic: Hadrosaur

	Hadrosaurs
		The most noticeable feature of the hadrosaurs was their broad, flattened snout which resembled the bill of a duck, resulting in their being called the duck-billed dinosaurs.
		Hadrosaurs did not have teeth in the front of their mouths, but they had batteries of cheek teeth arranged in their upper and lower jaws in such a way as to form a grinding surface.
		One of the factors that led to the success of the hadrosaurs was that they developed at the same time as the angiosperms (flowering plants).
	www.suite101.com /article.cfm/paleontology/70226 (489 words)

	Hadrosaurid - Wikipedia, the free encyclopedia
		The hadrosaurs are known as the duck-billed dinosaurs due to the similarity of their head to that of modern ducks.
		Hadrosaurs, like their iguanodontian cousins, had a rudimentary dentary specialisation in incisors and molars and this probably was a crucial factor in the success of this group in the Cretaceous, compared to the sauropods who were still largely dependent on gastroliths.
		Sereno (2005) defines Hadrosauridae as the most inclusive possible group containing Saurolophus (a well-known hadrosaurine), Parasaurolophus (a well-kown lambeosaurine), and Hadrosaurus (the type geus of the family, which ICZN rules state must be included, despite its status as a nomen dubium).
	en.wikipedia.org /wiki/Hadrosaur (675 words)

	Hadrosaurs
		The arrangement of the hip allowed hadrosaurs to have a large belly for digesting plant material located mainly over their legs, enabling a bipedal posture.
		It was the only hadrosaur during the Maastrichten, the latest interval of the Cretaceous.
		It is also possible that these came from a ceratopsian as both hadrosaurs and ceratopsians had a latticework of tendons to support their heavy tails without muscular effort.
	my.execpc.com /95/BA/dschaeff/Hadrosaurs.htm (520 words)

	Olympus Microscopy Resource Center: Specialized Microscopy Techniques - Phase Contrast Photomicrography Gallery - ...
		The hadrosaurs, often referred to as the "duckbilled dinosaurs", were a group of plant-eating dinosaurs that evolved during the Jurassic era, 135-205 million years ago.
		Hadrosaurs were fairly large, ranging in length from 27 to 33 feet (9-11 meters).
		Discoveries of spectacularly preserved hadrosaur nests with eggs and young shows that hadrosaurs migrated to higher ground to reproduce.
	www.olympusmicro.com /primer/techniques/phasegallery/hadrosaurus.html (313 words)

	Hadrosaurs - Paleontology and Geology Glossary
		Hadrosaurs are closely related to the Iguanodontids, and are probably their descendants.
		Hadrosaurs were Ornithischians (the order of bird-hipped dinosaurs) and Ornithopods ("bird-footed" herbivores with hoof-like feet).
		Hadrosaurs are divided into two groups, the Hadrodsaurinae (non-crested hadrosaurs) and the Lambeosaurinae (hadrosaurs that had skull crests that connected with their nasal passages).
	www.zoomdinosaurs.com /subjects/dinosaurs/glossary/Hadrosaur.shtml (350 words)

	:: Discovery Channel CA ::
		Hadrosaurs or duckbilled dinosaurs — so named because of their large duck-like beaks — are commonly thought to have originated in eastern Asia, and then migrated to North America by way of Alaska.
		It is claimed to be world's oldest hadrosaur discovered so far, and rivals the oldest known hadrosaur fossil before this find, the Bactrosaurus uncovered in China, dated to be between 93 and 99 million years old.
		Hadrosaurs don't have one set of teeth like us humans, but rows of at least three and up to six fully formed teeth stacked on top of each other in what's called a dental battery.
	www.exn.ca /dinosaurs/story.asp?id=1999012054&name=archives (539 words)

	CC214.2: Ezekiel disproves bird evolution
		The fossil included a skin impression which showed it had no feathers as expected by evolutionists, thus disproving that hadrosaurs were bird-reptile transitional forms.
		Hadrosaur skin impression have been known to science for decades [Alaska Museum 1998].
		There is no reason why a hadrosaur should not share the same strata with turtles and garfish.
	www.talkorigins.org /indexcc/CC/CC214_2.html (273 words)

	Fossils in Alaska National Parks
		A hadrosaur skeleton, all but the skull, was found dating back to 90 million years ago.
		Hadrosaurs were large herbivores that walked on their back two legs and had a duck-like bill.
		Hadrosaurs as well as other herbivorous and carnivorous dinosaurs have been found in northern Alaska from the same time period.
	www.nps.gov /akso/ParkWise/Students/ReferenceLibrary/Paleontology/FossilsinAKNPS.htm (1978 words)

	Dinosaur Parenting
		Tooth wear: That the teeth of baby hadrosaurs are worn never had any meaning, because they had to chew their food whether they got it on their own, or were fed by their parents.
		On the other hand, hadrosaur chicks weighing up to 20 kg have been found in or near nests (at least 16 kg heavier than when they hatched), and the eggshells in the nests are trampled.
		The most logical reason for hadrosaur chicks to remain near the nest would be because that was where they received food from their parents.
	www.dinosauria.com /jdp/dino/parent.htm (963 words)

	THE CAROL/RJ DINOSAUR QUARRY
		The primitive hadrosaur is the oldest hadrosaur found and the first one found in Utah.
		The Quarry Map showed an overview of the area from which the hadrosaur was remove and the area where the people were working in the southwest corner where the high level readings were found.
		The following photographs are of the hadrosaur found at the Carol/RJ Quarry: Skull upper jaw(maxilla), lower jaw(mandible), upper jaw and lower jaw shown together, all the skull bone that has been recovered to date, the pubis, vertebrae, lower leg bone fibuia.
	www.surweb.org /surweb/images/cqu/cqu.html (3429 words)

	RELEASE: Hadrosaur bones may reveal new eating behavior for T. rex
		HADROSAUR BONES MAY REVEAL NEW EATING BEHAVIOR FOR T. DENVER - Dusting off scraps of hadrosaur bones from a museum collection, a University of Wisconsin-Madison undergraduate has found evidence for a previously unrecognized feeding behavior for Tyrannosaurus rex.
		Hadrosaurs, known more commonly as duck-billed dinosaurs, were contemporaries of T. rex and roamed in great herds across what is now the American West, where the rib fragments were found.
		Like the horned Triceratops, hadrosaurs were almost certainly on the menu for what was unquestionably the top predator in that environment 65 million years ago.
	www.news.wisc.edu /releases/10399.html (530 words)

	Hadrosaurian Dinosaurs
		The discovery of spectacularly preserved hadrosaur nests and young shows that hadrosaurs migrated to nesting grounds to reproduce.
		There are two subfamilies of hadrosaurs, the Lambeosaurinae, which have a crest on the skull (like the top skull at right), and the Hadrosaurinae, which lacked the crest (like the bottom skull at right).
		This juvenile hadrosaur is a cast of one of the fifteen individuals of baby Maiasaura ("good mother lizard") collected in 1978 by Princeton University from the Upper Cretaceous (80-65 million years ago) Two Medicine Formation of Teton County in western Montana.
	www.ucmp.berkeley.edu /diapsids/ornithischia/hadrosauria.html (704 words)

	Final dinosaur page in html
		Associated with the hadrosaur nests and eggs were the eggs and nests of another dinosaur which the hadrosaurs must have shared the area.
		It is possible that hadrosaur nestling were semi-nestbound and that they had just enough locomotary ability to flee the nest if a predator penetrated the parental defenses.
		Hadrosaur: A duck-billed, plant-eating dinosaur similar in body form to that of the iguanodontids (large and heavily built).
	palaeo.gly.bris.ac.uk /communication/Elvidge/Elvidge.html (2496 words)

	Hadrosaur - Memory Alpha, the Star Trek Wiki
		The hadrosaur is an Earth dinosaur that lived in the Cretaceous period.
		It was the most highly evolved cold-blooded organism to develop from the Eryops and is believed to have vanished when a mass extinction occurred at the end of the Cretaceous period.
		The hadrosaur is likely a direct evolutionary predecessor of the Voth.
	www.memory-alpha.org /en/index.php?title=Hadrosaur&redirect=no (108 words)

	About Hadrosaur Productions: the Publisher of "When Only the Moon Rages"
		Hadrosaur Productions is committed to bringing you the finest science fiction and fantasy.
		The first issue of Hadrosaur Tales was published in 1995.
		The work of Wayne James has appeared in Hadrosaur Tales 5, 7, and is featured in the upcoming Hadrosaur 8---planned for release in time for Christmas.
	waynejames.com /abouthadrosaur.html (277 words)

	Prehistoric Life - Hadrosaur. (Site not responding. Last check: 2007-11-02)
		Hadrosaurs flourished near the end of the Age of Reptiles, during the middle to late Cretaceous Period (105-65 million years ago)
		The fossil on display at Melbourne Museum is of a hadrosaur, or duck-billed dinosaur from Alberta, Canada.
		This specimen is still embedded in the sandstone rock that it was found in, and is surrounded by the plaster-of-paris that palaeontologists used to protect the bones when they were dug from the ground.
	www.museum.vic.gov.au /prehistoric/dinosaurs/hadrosaur.html (178 words)

	HADROSAUR FOSSILS
		The outward appearance of hadrosaurs varied widely amongst the different species but structurally, they were all the same.
		Hadrosaurs were herbivores (plant-eaters) and only had teeth in the cheek area, not the front of the mouth.
		In-depth studies of a variety of duckbill remains indicate that these were strictly land-based dinosaurs that walked predominantly on all fours but had the ability to stand on their hind legs.
	www.paleodirect.com /hadro1.htm (442 words)

	Dinosaur Egg Hadrosaur
		The Hadrosaur or "DuckBilled" dinosaur walked like a duck, had a beak like a duck, webbed feet like a duck and probably had the exact same "waddle" like today's ducks.
		The difference is that it lived 80-65 million years ago and was a member of the ornithopoda's - the ancestors of modern birds.
		The adult hadrosaur was nearly 30 feet long, and weighted about 3 tons.
	www.sciencemall-usa.com /dieggha.html (178 words)

	Geotimes - October2001: Geoscience Education
		Encased in the sedimentary rock were the fossilized bones of a hadrosaur, a large plant-eating, duck-billed dinosaur of the late Cretaceous.
		It was just a lucky hammer blow, he says, that revealed the hadrosaur’s skin impressions within a chunk of rock.
		On Oct. 25, the Bureau of Land Management (BLM), which funded the dig, and the Museum of Northern Arizona plan to broadcast live a portion of the lab work, giving upper-elementary and middle-school students a chance to interactively ask paleontologists questions as they prepare the bones.
	www.agiweb.org /geotimes/oct01/geoscience_ed.html (671 words)

	Grand Staircase-Escalante National Monument > Hadrosaur Skin Impressions (Site not responding. Last check: 2007-11-02)
		Paleontologists from the Museum of Northern Arizona conducting the excavation of the first crested hadrosaur ever discovered in southwestern Utah noticed what appeared to be patterns of thumb-sized impressions on the tail and pelvic areas.
		The crested hadrosaur, also known as a "duck billed" dinosaur, probably belongs to the genus Parasaurolophus, a bizarre 30-foot long, 3-ton creature with a long tube sticking straight out of the top of its head.
		This discovery ranks as one of the most important dinosaur finds made in the state, and will provide important data on how these creatures appeared in life.
	www.ut.blm.gov /monument/paleontology-hadrosaur.php (184 words)

	Shark bit dino
		The first remains of a dinosaur found in the chalk, a hadrosaur, were collected by O.C. Marsh in 1871 along the Smoky Hill River in Logan County (see Carpenter, et al., 1995).
		The second set of remains, a nodosaur (possibly two individuals, see Liggett, 2005) was discovered by Charles Sternberg in 1905 and described by G. Wieland in 1909 and 1911.
		In this case, however, the vertebra was severely damaged by the digestive fluids and a tip of a shark tooth (circles) remains embedded in the bone.
	www.oceansofkansas.com /new-dino.html (1717 words)

	HADROSAUR TEETH TOOTH
		Similar to the way they were arranged in the dinosaur's jaw, we have hand-selected three relatively nice matches of worn teeth and lined them up for display.
		Hadrosaurs were prevalent in what is now the Hell Creek Formation.
		Hadrosaur remains have been found in China, North America, South America (Argentina) and Europe.
	www.paleodirect.com /dt8.htm (326 words)

	The HadroStore
		Hadrosaur Tales 20: Hadrosaurs are often depicted as peaceful, gentle dinosaurs.
		Hadrosaur Tales 20 features poems and stories by Uncle River, Jan Haffley, J Alan Erwine, and Jonathan William Hodges.
		Hadrosaur Tales 19: The Mimbres Culture of Southern New Mexico was at its height around 1000 A.D. Their art was highly influential among the Pueblo peoples and depicted many types of figures including humans, birds, reptiles and...
	www.zianet.com /hadrosaur/tales0304.html (823 words)

	Hadrosaur
		Hadrosaurs were one of the most successful groups of herbivorous dinosaurs.
		hadrosaur • hadrosaurs • edmontosaur • maiasaur • anatosaurus
		Nigel Marven's most recent nature documentary is a computer-generated journey to the past as he is "Chased by Dinosaurs" on the Discovery Chanel.
	www.suite101.com /reference/hadrosaur (95 words)

	Photo Album
		A close-up view of a hadrosaur (duck-billed dinosaur) quarry, with uncovered bones awaiting jacketing and removal.
		Therapod, hadrosaur, allosaur and ornithopod dinosaur tracks are all found in this large trackway.
		A hadrosaur quarry with large leg bones excavated.
	mysite.verizon.net /vzepfu9r/id3.html (150 words)

	Tales of the Talisman
		This page will be devoted to Hadrosaur Tales magazine, the predecessor to Tales of the Talisman.
		The first issue of Hadrosaur Tales was published in 1995 and the magazine ran for 10 years.
		Both Hadrosaur Tales and Tales of the Talisman are published by Hadrosaur Productions.
	www.zianet.com /hadrosaur (156 words)

	Field Adventures: Alaska 1
		In the talus I find two vertebral centra from the tail of a hadrosaur and two teeth of an albertosaur (one dentary and one premaxillary), complete with serrations, the find of the day.
		After lunch Judy uncovered what she thought was just a rock -- rare in these fine sediments -- but which I identified as a partial caudal vertebral centrum, about 2" diameter.
		Judy found a metatarsal II from a juvenile hadrosaur, Ed found a cervical centrum and another metacarpal.
	www.fieldadventures.org /alaska/colville1.html (3135 words)

	Lost Specimens - Dinosaurs in the Deep.
		Two of the three types of turtles also lost are shown on the prone log: macrobaenid (right) and trionychid (left).
		Although reported at the time as two hadrosaurs (duck-billed dinosaurs) being lost on Mount Temple, the shipment (in 22 wooden crates) included articulated skeletal portions of as many as four hadrosaurs.
		Hadrosaur, large portion of the distal caudal vertebrae (tail) series.
	www.ssmounttemple.com /ssmtr0.htm (365 words)

	BLM-Environmental Education-News
		After their collection in 2001, the Monument's hadrosaur (duckbilled dinosaur) bones first went to the Museum of Northern Arizona paleontology lab for safekeeping, and were subsequently moved to the BLM lab in Kanab, Utah, in late spring 2003.
		Titus's comparison of the 1980s materials with other positively-identified hadrosaur specimens led him to conclude that those hip portions, as well as the "Share the Adventure!" bones collected in 2001, were not those of the odd, crested hadrosaur, Parasaurolophus, as previously believed.
		The hadrosaur’s bones will be on display there for at least the next few years.
	www.blm.gov /education/00_fieldtrip/update05.html (485 words)

	Whatever happened to Trachodon?
		Other hadrosaur tooth genera were proposed as well, such as Cionodon and Diclonius.
		The nomenclatural problems raised by the overuse of Trachodon and other dubious hadrosaur tooth genera were, at the beginning of the 1900s, so tangled that when it came time to mount Cope's "Diclonius mirabilis" skeleton at the American Museum of Natural History, the staff left it unlabelled, calling it a "trachodont" skeleton.
		This is how matters stood for many years, until the pace of discovery of new hadrosaur skulls and skeletons made it apparent to Mike Brett-Surman (and unindicted co-conspirator Jack Horner) that Anatosaurus annectens was just too similar to another hadrosaur species, Edmontosaurus regalis, to remain in a separate genus.
	www.dinosauria.com /jdp/misc/trachodon.html (826 words)

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