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…and just for fun: equal to the length of the diameter of 288 nickels. Cedarpelta bilbeyhallorum: 5 t (5.5 short tons) 6. I love the creativity that many ETSY artists exhibit with their work. Having for comparison only a few, incomplete members of the family, he believed the group was part of the suborder Stegosauria. -Gallimimus. [27], According to Carpenter, the shape of the nasal chambers of Ankylosaurus indicate that airflow was unidirectional (looping through the lungs during inhalation and exhalation), although it may also have been bidirectional in the posterior nasal chamber, with air directed past the olfactory lobes. [2] In 1923 Osborn coined the name Ankylosauria, thereby placing the ankylosaurids in their own suborder. [12] Based on the broadness of the ribcage, the digestion of unchewed food may have been facilitated by hindgut fermentation like in modern herbivorous lizards, which have several chambers in their enlarged colon. Some teeth from behind in the tooth row curved backwards, and tooth crowns were usually flatter on one side than the other. Another ankylosaur, a nodosaur referred to as Edmontonia sp., is also found in the same formations, but according to Carpenter, the range of the two genera does not seem to have overlapped. Here is your chance to slip behind the cameras and into the studios, workshops, and locations for a look at this summer's most eagerly anticipated film, The Lost World: Jurassic Park! The requirements for nutrition could have been more effectively met if Ankylosaurus ate fruit, which its small, cusp-like teeth and the shape of its beak seem well adapted for, compared to for example Euoplocephalus. Describes the size of different dinosaurs by comparing them to more familiar objects, such as a school bus, a trombone, or a bowling alley. Copyright © Libri GmbH. All rights reserved. Found inside – Page 94Dermal plates of moderate size , more or less oval in outline with low keel . THE SKULL Comparison : The skull of Edmontonia longiceps resembles that of ... The neural spines had ossified (turned to bone) tendons, which also overlapped some of the vertebrae. [12], The first osteoderms behind the second cervical half-ring would have been similar in shape to those in the first half-ring, and the osteoderms on the back probably decreased in diameter hindwards. Structurally similar to Sharpey's fibres, they were embedded directly into the bone tissue, a feature unique to ankylosaurids. [24] Later research on Euoplocephalus indicates that forward and sideways jaw movement was possible in these animals, the skull being able to withstand considerable forces. "Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. Touch device users, explore by touch or with swipe gestures. "Includes expert research findings and plentiful photographs and illustrations to show how dinosaurs actually lived, looked, and sounded"-- The incomplete mandible of the largest specimen (CMN 8880) is the same length. [5][6][7] In a 1908 review of Brown's Ankylosaurus description, the American paleontologist Samuel Wendell Williston criticised the skeletal reconstruction as being based on too few remains, and claimed that Ankylosaurus was merely a synonym of the genus Stegopelta, which Williston had named in 1905. [13] The American paleontologist Kenneth Carpenter accepted the teeth as belonging to A. magniventris in 2004, and that all the specimens belonged to the same species, noting that the teeth of other ankylosaurs are highly variable. Filed Under: Dinosaurs, Paleontology Tagged With: Dinosaur Facts, The great Titanosaur, Argentinosaurus lived during the late Cretaceous period on what was then an island that we now recognize as the continent of South America. [14], In 2017, based on comparisons with more complete ankylosaurines, Arbour and Mallon estimated a length of 7.56 to 9.99 m (24 ft 9+1⁄2 in to 32 ft 9+1⁄2 in) for CMN 8880, and 6.02 to 7.95 m (19 ft 9 in to 26 ft 1 in) for AMNH 5214. Likewise, large spines projecting sideways from the body (similar to those of nodosaurid ankylosaurs) are present in many traditional depictions, but are not known from Ankylosaurus itself. Harry-the-Fox. Dromaeosaurs, from Microraptor to Utahraptor, are amongst the most iconic and fascinating families of dinosaurs. [38][43], Ankylosaurid dinosaur genus from the Late Cretaceous Period, Cervical vertebra from the neck of the holotype, Caudal vertebra from the tail of the holotype, "Dinosauria Translation and Pronunciation Guide A", "The families of the ornithischian dinosaur order Ankylosauria", "Unusual cranial and postcranial anatomy in the archetypal ankylosaur, "Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage", "Baby dinosaurs from the Late Cretaceous Lance and Hell Creek formations and a description of a new species of theropod", "Ankylosaurid dinosaur tail clubs evolved through stepwise acquisition of key features", "Diversity and convergences in the evolution of feeding adaptations in ankylosaurs (Dinosauria: Ornithischia)", "A complex hyobranchial apparatus in a Cretaceous dinosaur and the antiquity of avian paraglossalia", "Ankylosauridae (Dinosauria) from Mongolia", "The internal cranial morphology of an armoured dinosaur, 10.1671/0272-4634(2004)024[0874:hoaoif]2.0.co;2, "Estimating impact forces of tail club strikes by ankylosaurid dinosaurs", "Cretaceous 'Hell Creek Faunal Facies'; Late Maastrichtian", Faceted Application of Subject Terminology, https://en.wikipedia.org/w/index.php?title=Ankylosaurus&oldid=1040281648, Late Cretaceous dinosaurs of North America, Short description is different from Wikidata, All Wikipedia articles written in American English, Articles containing Ancient Greek (to 1453)-language text, Pages using multiple image with auto scaled images, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 August 2021, at 17:13. Easy to read and apply, The Monsters Know What They're Doing is essential reading for every DM. Found inside – Page 329The skull was small in comparison to the size of the animal. ➢ The vertebrae were with long ... Ankylosaurus ➢ It is commonly known as armoured dinosaur. The forelimbs strongly increased in robustness while the hindlimbs did not become larger relative to the rest of the skeleton, further evidence that the arms bore most of the weight. These formations are composed largely of sandstone and mudstone, which have been attributed to floodplain environments. It was covered in armor plates, or osteoderms, with bony half-rings covering the neck, and had a large club on the end of its tail. The largest known ankylosaurid, ankylosaurus measured 6 - 8 m (20 - 26 feet) long and weighed in the neighborhood of 4 - 8 tonnes. [36] Carpenter has rejected this idea, as tail club shape is highly variable among ankylosaurids, even in the same genus. This explains a 30-million-year gap in the fossil record of North American ankylosaurids between these ages. Read Free Ankylosaurus Armoured Plated Herbivores Dinosaurs collections from fictions to scientific research in any way. It had a wide, low skull, with two horns pointing backward from the back of the head, and two horns below these that pointed backward and down. This book is the most authoritative encyclopedia ever prepared on dinosaurs and dinosaur science. Click the button below to view the dinosaurs and walk amongst them. Ankylosaurus magniventris: 6 000 kg: 13 228 lb: 2: Cedarpelta bilbeyhallorum: 4 000 kg: 8 818 lb: 3: Platypelta coombsi: 2 600 kg: 5 732 lb: 4: Gobisaurus domoculus: 2 500 kg: 5 512 lb: 5: Scolosaurus cutleri: 2 500 kg: 5 512 lb: 6: Zuul crurivastator: 2 500 kg: 5 512 lb: 7: Zaraapelta nomadis: 2 300 kg: 5 071 lb: 8: Scolosaurus thronus: 2 200 kg: 4 850 lb: 9: Talarurus plicatospineus: 2 200 kg: 4 850 lb: 10 Do you still think a pet Ankylosaurus is a good idea? Dinosaur Systematics presents a current overview of dinosaur systematics, increasing our understanding of dinosaurs as a biological species. [10][11], In 1910 another AMNH expedition led by Brown discovered an Ankylosaurus specimen (AMNH 5214) in the Scollard Formation by the Red Deer River in Alberta, Canada. Ankylosaurus estimated size 01.png 1,124 × 474; 39 KB. Not to mention that the tail club of Ankylosaurus isn’t really much different in size from other smaller species, which could indicate some kind of limit to tail club size regardless of body mass. [23] The retracted position of the nostrils of Ankylosaurus have been compared to those of fossorial (digging) worm lizards and blind snakes, and though it was probably not a burrowing animal, the snout of Ankylosaurus may indicate earth-moving behavior. Found insideFeaturing stunning illustrations of each animal by world-famous artist Sergey Krosovskiy and based on the latest paleontogical research, this book provides information about the where and when the animals lived, what they ate, and more. Below the upper horns, jugal horns were present, which pointed backward and down. All structured data from the file and property namespaces is available under the. Dromaeosaurs (Or What Jurassic Park Got Wrong, and Right, About Raptors), Largest, Oldest Titanosaur Coexisted With Many, ‘Dinosaur Planet’ – The Nostalgia Nobody Got To Experience, A Toothsome Spinosaurus Bed Keeps The Charismatic Theropod Plunged In The River, Danger Ahead For Original Jurassic Park Trio. [10], Ankylosaurus existed between 68 and 66 million years ago, in the final, or Maastrichtian, stage of the Late Cretaceous Period. They disputed the possibility that the looping is related to olfaction (sense of smell) as the olfactory region is pushed to the sides of the main airway. The nasal chambers had two openings, including the choanae (internal nostrils), and the air passage was looped. [10][6] As more complete specimens and new genera have been discovered, theories about ankylosaurian interrelatedness have become more complex, and hypotheses have often changed between studies. ankylosaurus comparison magniventris size. Many smaller osteoderms and ossicles probably occupied the space between the larger ones, as in other ankylosaurids. He mentioned these osteoderms (specimen AMNH 5866) in his description of Ankylosaurus but thought they belonged to the Tyrannosaurus instead. [10] Coombs suggested in 1979 that several hindlimb muscles would have controlled the swinging of the tail, and that violent thrusts of the club would have been able to break the metatarsal bones of large theropods. The weight of the Knight XV armored, hand built, SUV by Conquest Vehicles. [10][16], The structure of much of the skeleton of Ankylosaurus, including most of the pelvis, tail, and feet, is still unknown. They only moved on four legs. Like many of its contemporaries at the very end of the Cretaceous (Triceratops/Eotriceratops, Tyrannosaurus, Edmontosaurus/Shantungosaurus, Ankylosaurus is the largest of its major family group which also happens to be named after it. Some scientists have estimated a length of 9 meters (30 ft). Explains the names of fourteen dinosaurs, from Stegosaurus to Compsognathus, and describes their physical characteristics, size, and probable behavior. Arbour and the Canadian paleontologist Philip J. Currie disagreed with Carpenter's interpretation in 2015 and pointed out that the cervical half-ring fragments of the holotype specimen did not fit together in the way proposed by Carpenter (though this could be due to breakage). [25] A 2016 study of the dental occlusion (contact between the teeth) of ankylosaur specimens found that the ability for backwards (palinal) jaw movement evolved independently in different ankylosaur lineages, including Late Cretaceous North American ankylosaurids like Ankylosaurus and Euoplocephalus. As only the tail club of specimen AMNH 5214 is known, the range of variation between individuals is unknown. Virtual reality dinosaurs for your PC or laptop. When autocomplete results are available use up and down arrows to review and enter to select. Ankylosaurus is a genus of armored dinosaur. [12], Ankylosaurus was the largest-known ankylosaurine dinosaur and possibly the largest ankylosaurid. 1. Flattened, pointed plates resemble those on the sides of the tail of Saichania, and may have been distributed similarly on Ankylosaurus. This tool helps you to compare visually sizes of different objects. Found inside – Page 86“Ankylosaurus was the size of an army tank—and built like one! ... Park 1997, 2–3) Comparison/Contrast The word is compared or contrasted with one or more ... [42] Ankylosaurus shared its environment with other dinosaurs that included the ceratopsids Triceratops and Torosaurus, the hypsilophodont Thescelosaurus, the hadrosaurid Edmontosaurus, an indeterminate nodosaur, the pachycephalosaurian Pachycephalosaurus, and the theropods Struthiomimus, Ornithomimus, Pectinodon, and Tyrannosaurus. Biggest-Dinosaurs-ver19-en.svg 2,119 × 1,564; 292 KB. [10][12], The tail club (or tail knob) of Ankylosaurus was composed of two large osteoderms, with a row of small osteoderms at the midline, and two small osteoderms at the tip; these osteoderms obscured the last tail vertebra. Jul 8, 2021. Ankylosaurus 73906.JPG 2,978 × 2,035; 503 KB. ... JP3 and JW Ankylosaurus comparison, I absolutely love the model changes and vibrant colour scheme especially 1yr ⋅ Ryaquaza1. Ankylosaurus may have weighed over 6,000 kilograms (13,000 lbs). Compressed, triangular osteoderms found with Ankylosaurus specimens may have been placed on the sides of the pelvis or the tail. This would have provided the ankylosaurids with an armor covering that was both lightweight and highly durable, being resistant to breakage and penetration by the teeth of predators. 1 3 Meters 2 4 Meters 3 5 Meters 4 6 Meters 5 7 Meters 6 8 Meters 7 9 Meters 8 10 Meters 9 11 Meters 10 13 Meters 11 14 Meters 12 15 Meters 13 19 Meters 14 25 Meters 15 Trivia -Dryosaurus -Homalocephale. Ankylosaurus. This specimen included a complete skull, mandibles, the first and only tail club known of this genus, as well as ribs, vertebrae, limb bones, and armor. The length of the larger specimen is close to 8 metres (26.2 ft), matching the maximum length estimate proposed for this species by Arbour & Mallon. Its wide muzzle was adapted for non-selective low-browse cropping, although not to the extent seen in some related genera, especially Euoplocephalus. Paleontologist Henry Fairfield Osborn also expressed this view when he described the Tyrannosaurus specimen as the now synonymous genus Dynamosaurus in 1905. There may have been four longitudinal rows of osteoderms on the flanks. Some researchers hypothesize that […], ETSY Dinosaur Finds Are Countless There are many reasons why I love ETSY. This is the largest-known Ankylosaurus skull, but it is damaged in places. But the largest skull, CMN 8880, is gigantic. Dacentrurus armatus: 5–7.4 t (5.5–8.2 short tons) 2. Ankylosaurus would have fought to the death using its bony plated armor for protection and the thick bony club on its tail as a defensive weapon. The braincase was short and robust, as in other ankylosaurines. in the midst of them is this ankylosaurus armoured plated herbivores dinosaurs that can be your partner. It profiles 25 different dinosaurs including their basic details with stunning full-page illustrations.This book is perfect for anyone that loves dinosaurs, robots or just cool books. [15], Like other ornithischians, Ankylosaurus was herbivorous. Because the vertebrae of AMNH 5214 are not significantly larger than those of other ankylosaurines, Arbour and Mallon considered their upper range estimate of nearly 10 meters (33 ft) for large Ankylosaurus too long, and suggested a length of 8 m (26 ft) instead. The humerus (upper arm bone) of AMNH 5214 was short, very broad and about 54 cm (1 ft 9+1⁄2 in) long. Explore. Osteoderms with oval keels could have been placed on the upper side of the tail or the side of the limbs. Found insideLike Ankylosaurus, it is covered in thick scales and spines to protect itself. Size Comparison PARKSOSAURUS Pronunciation:PAHRK-suh-SAW-rus Parksosaurus was ... The tail club is thought to have been used in defense against predators or in intraspecific combat. The predentary bone of the tip of the mandibles has not yet been found. Brown also reconstructed the armor plates in parallel rows running down the back; this arrangement was purely hypothetical. 7 of My Favorite ETSY […], Podcast: Play in new window | Download (Duration: 12:20 — 11.3MB). They concluded that though Ankylosaurus is iconic and the best-known member of its group, it was bizarre in comparison to related ankylosaurs, and therefore not representative of the group. Finally, let’s talk about the giant size of Ankylosaurus. ... Ankylosaurus is an armoured vegetarian dinosaur that lived in the late Cretaceous period. These factors, as well as the low rate of tooth formation in ankylosaurs compared to other ornithischians, indicate that Ankylosaurus may have been omnivorous (eating both plant and animal matter). -Ceratosaurus. [35], In 1993 Tony Thulborn proposed that the tail club of ankylosaurids primarily acted as a decoy for the head, as he thought the tail too short and inflexible to have an effective reach; the "dummy head" would lure a predator close to the tail, where it could be struck. T. Rex adults were a significantly larger compared with allosaurus adults. The largest osteoderms were probably arranged in transverse and longitudinal rows across most of the body, with four or five transverse rows separated by creases in the skin. [12][10][15], The snout region of Ankylosaurus was unique among ankylosaurs, and had undergone an "extreme" transformation compared to its relatives. A section of caudal vertebrae (specimen CCM V03) was discovered in the 1960s in the Powder River drainage, Montana, part of the Hell Creek Formation. [12] The position of the orbits of Ankylosaurus suggest some stereoscopic vision. Covering a huge range of topics, My Encyclopedia of Very Important Dinosaurs is so much more than an ordinary kid's book--it's the book that every young fossil hunter and dinosaur enthusiast will want to own. The estimated length of Ankylosaurus is believed to have been around 20.5 feet. Due to the fragmentary condition of the remains, Brown was unable to fully distinguish between Euoplocephalus and Ankylosaurus. The snout was arched and truncated at the front, and the nostrils were elliptical and were directed downward and outward, unlike in all other known ankylosaurids where they faced obliquely forward or upward. The tendons of the tail were partially ossified and were not very elastic, allowing great force to be transmitted to the club when it was used as a weapon. [10], Most of the known Ankylosaurus specimens were not scientifically described at length, though several paleontologists planned to do so until Carpenter redescribed the genus in 2004. In the last two decades the study of dinosaur eggs and babies has proved a very profitable area of dinosaur research. This book is solely devoted to this topic and reviews our present state of knowledge in this area of paleontology. Brings together the latest studies by an international group of dinosaur palaeontologists and provides descriptions of the original specimens of Hyaleosaurus and Stegosaurus He also thought jaw movement was limited to up and down movements. [12] Studies of specimens of Pinacosaurus of different ages found that during ontogenetic development, the ribs of juvenile ankylosaurs fused with their vertebrae. Compared to other ankylosaurs, the mandible of Ankylosaurus was low in proportion to its length, and, when seen from the side, the tooth row was almost straight instead of arched. The teeth of the largest Ankylosaurus skull are smaller than those of the smallest skull in the absolute sense. The interlocked zygapophyses (articular processes) and neural spines of the handle vertebrae were U-shaped when seen from above, whereas those of most other ankylosaurids are V-shaped, which may be due to the handle of Ankylosaurus being wider. Ankylosaurids thereafter recolonized North America from Asia during the Campanian or Turonian ages of the Late Cretaceous, and there diversified again, leading to genera such as Ankylosaurus, Anodontosaurus, and Euoplocephalus. [22] In the Hell Creek Formation, many types of plants were supported, primarily angiosperms, with less common conifers, ferns and cycads. It was named by Barnum Brown in 1908; the only species in the genus is A. magniventris. [2][3][4], The skeletal reconstruction accompanying the 1908 description restored the missing parts in a fashion similar to Stegosaurus, and Brown likened the result to the extinct armored mammal Glyptodon. Below we will take a look at just how big this armored Ankylosaurid was. [34], The tail club of Ankylosaurus seems to have been an active defensive weapon, capable of producing enough of an impact to break the bones of an assailant. The name can be translated as "fused lizard", "stiff lizard", or "curved lizard". Locations of finds (Ankylosauridae) 3D/VR. Accompanying CD-ROM has supplementary materials related to chapters 7 (color images of the black and white figures in the book), 11 (Flash-animated movie about tyrannosaurid postures), and 13 (skull bone atlas). The narrower muzzle of the nodosaur suggests it had a more selective diet than Ankylosaurus, further indicating ecological separation, whether their range overlapped or not. Its broad muzzle indicates it was a non-selective browser. [20] Ankylosaurus is considered part of the subfamily Ankylosaurinae (members of which are called ankylosaurines) within Ankylosauridae. An adult Ankylosaurus would weighed upto 4 tons. Dec 2, 2017 - Reference:GetAwayTrike and thedinorocker ankylosaurus. The skull had a broad beak on the premaxillae. It was a quadrupedal animal, with a broad, robust body. They instead suggested that the fragments represented the remains of two cervical half-rings, which formed two semi-circular plates of armor around the upper part of the neck, as in the closely related Anodontosaurus and Euoplocephalus. The osteoderms ranged from 1 centimeter (1⁄2 in) in diameter to 35.5 cm (14 in) in length, and varied in shape. The following 14 files are in this category, out of 14 total. Ankylosaurus, the largest Ankylosaur, reached lengths up to 30 feet and weight to 17000 lbs. Found inside – Page 17Size comparison of Tyrannosaurus and man Tyrannosaurus ( tie - ran - oh ... On the next page we'll meet Ankylosaurus , and , after him , Triceratops and ... In addition, Coombs suggested that ankylosaurs may have been capable diggers, though the hoof-like structure of the manus would have limited fossorial activity. Ankylosaurus was one of the dinosaurs planned for the original Jurassic Park after its initial opening, with InGen having acquired 91% of the Ankylosaurus genome by 1993. Sinuses and nasal chambers in the snout may have been for heat and water balance or may have played a role in vocalization. Current estimates put the Ankylosaurus at 11 feet tall in total and 5.5 feet tall at the hips. [12][10][18], Brown considered Ankylosaurus so distinct that he made it the type genus of a new family, Ankylosauridae, typified by massive, triangular skulls, short necks, stiff backs, broad bodies, and osteoderms. illustration of silhouette of ankylosaurus body compared with human's body - download this royalty free Stock Illustration in seconds. The length of the longest known saltwater crocodile found in 1982. While the feet of Ankylosaurus are incompletely known, the hindfeet probably had three toes, as is the case in advanced ankylosaurids. Assuming it was endothermic, Ankylosaurus would have eaten 60 kilograms (130 pounds) of ferns per day, similar to the amount of dry vegetation a large elephant would consume. The femur (thigh bone), also from AMNH 5214, was 67 cm (2 ft 2+1⁄2 in) long and very robust. The tail club of AMNH 5214 is 60 cm (23+1⁄2 in) long, 49 cm (19+1⁄2 in) wide, and 19 cm (7+1⁄2 in) tall. [10] That sculpture, as well as the American artist Rudolph Zallinger's 1947 mural The Age of Reptiles and other later popular depictions, showed Ankylosaurus with a tail club, following the first discovery of this feature in 1910. Triceratops and Stegosuarus are also nicely sized in comparison to the other dinosaurs. Depending on how massive Ankylosaurus is in comparison to the tyrannosaur (the largest known specimen may or may not have weighed in at 7.95 tonnes; Arbour & Mallon (2017)) I could absolutely see it having the weaponry to be lethal to Tyrannosaurus. It definitely could surprise us, and it seems Ankylosaurus already has a few differences with other Ankylosaurs- apparently their clubs are expected to be much smaller for their size (though to be fair, that doesn't say much given how massive they are). It wasn’t very tall, growing to 1.7 meters (5.6 feet) at the hip, but it … More recent examination has shown them to be similar to those of Ankylosaurus; it seems that Brown had compared them with some Euoplocephalus osteoderms, which had been erroneously cataloged as belonging to Ankylosaurus at the AMNH. Size: Often credited with being over 11 meters, more modern estimates roughly suggest a size of about 9 to 9.5 meters long. THYREOPHORA: Armoured Dinosaurs. "A masterpiece of science writing." —Washington Post A New York Times Bestseller • Goodreads Choice Awards Winner • A BEST BOOK OF THE YEAR: Smithsonian, Science Friday, The Times (London), Popular Mechanics, Science News "This is ... Raptors are around the size of a human which is a logical size for the Utah Raptor, carnosaurs are somewhere between a raptor and a T-Rex which also fits nicely. Though ankylosaurs may not have fed on fibrous and woody plants, they may have had a varied diet, including tough leaves and pulpy fruits. [10] It was quadrupedal, and its hind limbs were longer than its forelimbs. The specimen (found by collector Peter Kaisen) consisted of the upper part of a skull, two teeth, part of the shoulder girdle, cervical, dorsal, and caudal vertebrae, ribs, and more than thirty osteoderms (armor plates). For comparison, GAT’s Ankylosaurus has a tail comprising ~47.8% of the vertebral column (~6.52 m vertebral column, ~3.12 m tail), which is based on cross-scaling with Euoplocephalus. Size Comparison. In spite of its familiarity, it is known from far fewer remains than its closest relatives. Estimates of Ankylosaurus’ weight fall at around 6.5 short tons or 13,000 pounds. The osteoderms of Ankylosaurus were generally thin walled and hollowed on the underside. The ribs of the last four back vertebrae were fused to the diapophyses and parapophyses (the structures that articulated the ribs with the vertebrae), and the ribcage was very broad in this part of the body.

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