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Hadrosaurus
| Scientific Classification |
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Arguably
nomen dubium |
| Some scientists consider this a nomen dubium - a scientific name of unknown or doubtful application |
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Superfamily |
Hadrosauroidea |
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Hadrosaurus was a herbivore (plant-eater) that lived in North America
during the Cretaceous period
between about 80 and 75 million years ago.
An adult Hadrosaurus has been estimated to be about 30 feet (9.1 meters)
long and weigh around 7 tons. Like other duck-billed dinosaurs, Hadrosaurus is
believed to have generally been bipedal, but could walk on 4 limbs when feeding.
The story of the discovery of Hadrosaurus is quite interesting. The first
fossilized
bones of the animal were discovered by
John Estaugh Hopkins in 1838 near Haddonfield,
New Jersey,
who then displayed them in his home.
These bones were seen by William Parker Foulke in 1858, who returned to the
excavation site (now a national historic landmark - the
"Hadrosaurus Foulkii Leidy Site") and found additional bones
in conjunction with a paleontologist, Joseph Leidy. Leidy subsequently named
the species Hadrosaurus foulkii in honor of his collaborator.
Leidy wrote a description of the Hadrosaurus, complete with illustrations, in 1860,
but the American Civil War delayed publication until 1865. Leidy, contrary to prevailing
views at the time, correctly reconstructed the skeleton as bipedal, and a complete
the skeleton was reconstructed in this form in 1868 - the first mounted dinosaur
skeleton.
It should be noted however, that only one skeleton of Hadrosaurus has ever been found,
and this specimen lacks a skull (among other bones). Reconstructions of the animal
are therefore usually done using skulls of related species. Because of the lack of
specimens, which makes it difficult to perform comparisons with other species,
many scientists consider Hadrosaurus to be a "nomen dubium" - a dubious name.
Hadrosaurus was a herbivore (plant-eater) that lived from 80 to 75 million years ago
Related Information & Resources
See Also
Hadrosaurus Facts
Here is a summary of some of the key facts about Hadrosaurus:
- Hadrosaurus was a genus of dinosaur. Hadrosaurus is considered by some to be a "nomen dubium" (a scientific name of unknown or doubtful application) - because only a few fossils have been found (one very incomplete skeleton missing a skull and many other bones), and, as a result, it is impossible to compare it to its relatives for classification purposes.
- "Hadrosaurus" means "sturdy lizard".
- Hadrosaurus was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Hadrosaurus was not closely related to birds, it did have similarly shaped pelvic bones.
- Hadrosaurus was a Hadrosaur (usually known as "duck-billed dinosaur") - a member of a group of related herbivorous (plant-eating) dinosaurs that were very successful in the Cretaceous period.
- Hadrosaurus lived between about 80 million years ago and 75 million years ago, during the late Cretaceous period.
- Hadrosaurus lived in North America.
- Hadrosaurus was a herbivore (plant-eater).
- Hadrosaurus was about 30 feet (9.1 meters) long.
- Hadrosaurus weighed about 7 tons.
- Hadrosaurus is the official state dinosaur of New Jersey.
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Hadrosaurus Books
Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Anastasia Suen
Bridges
Released: 2019-08-11
Hardcover (32 pages)
 | List Price: $31.36*
Lowest New Price: $6.64*
Lowest Used Price: $12.35*
Usually ships in 24 hours*
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Click Here | Product Description:
Let's explore the exciting world of paleontology! Did you know that a dinnertime story led to the discovery of a dinosaur? And that strange old bones dug up behind a house became the first North American dinosaur ever seen by the public? This book is about the discovery of Hadrosaurus, including information about the dinosaur's appearance, movement, and diet before it became extinct. This series introduces readers to the study of dinosaurs. Each book covers what scientists know and what they are still working to learn about these prehistoric beasts. Each book includes a glossary, comprehension questions, and an extension activity. |
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By Rob Shone
Powerkids Pr
Library Binding (32 pages)
 | List Price: $28.50*
Lowest New Price: $28.50*
Lowest Used Price: $5.39*
Usually ships in 3-4 business days*
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Click Here | Product Description:
A fast-paced narrative in graphic novel style format will grab your readers' attention as they learn all about the amazing Hadrosaurus. The fact-filled front and back matter is enhanced by vivid color and exciting photos and graphics. |
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By Rebecca Rissman
Capstone Press
Paperback (32 pages)
 | List Price: $7.95*
Lowest New Price: $7.84*
Lowest Used Price: $5.76*
Usually ships in 24 hours*
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Click Here | Product Description:
Edmontosaurus and other duckbilled dinosaurs had beaks and strong teeth to eat tough plants. Many of these plant-eaters could communicate with other dinosaurs using the crests on their heads. Bold, full-color illustrations, easy-to-read charts and maps, and interesting facts take readers back to a time when these duckbilled dinosaurs walked the earth. This book supports common core standards. |
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By Leigh Rockwood
PowerKids Press
Paperback (24 pages)
 | List Price: $8.25*
Lowest New Price: $8.25*
Lowest Used Price: $4.17*
Usually ships in 1 to 2 months*
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Click Here | Product Description:
Hadrosaurs are known as duck-billed dinosaurs because of their long flattened snouts. This book explores what scientists know about these plant-eating dinosaurs and how this knowledge has changed over time. Young dinosaur enthusiasts will find out the latest information about where these dinosaurs lived, what they ate, and what ate them. They will learn about the purpose of the duck-shaped bills and their hundreds of sharp teeth, too. All this information is presented in an age-appropriate and friendly way and is supported by the full-color illustrations and photographs. |
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By Darlene Stille
Brand: Rourke Pub Group
Library Binding (24 pages)
 | List Price: $27.07*
Lowest New Price: $61.80*
Lowest Used Price: $5.95*
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Click Here | - Used Book in Good Condition
Product Description:
Describes the characteristics, behavior, diet, life cycle, and enemies of the Hadrosaurus. |
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By Dee Kyte
Independently published
Paperback (207 pages)
 | List Price: $28.99*
Lowest New Price: $28.99*
Usually ships in 24 hours*
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Click Here | Product Description:
My Dinosaur Alphabet is a fun and imaginative way for young children to learn their alphabet and some new words. Colourful illustrations make this book fun to read and learn. Series 1 (A to H) follows 8 dinosaurs, as they go on an adventure to find things beginning with their initial letters, and they ask for the reader's help in doing this. We make friends with Adam the Allosaurus, Bianca the Brachiosaurus, Carley the Compsognathus, Daniel the Diplodocus, Esmerelda the Edmontosaurus, Felicity the Fabrosaurus, George the Gallimimus and Harry the Hadrosaurus. This book is aimed at young children from 2 to 6 years of age, including young ESL readers. It is written by an author who is a qualified teacher of English as a second language, so is in a format that is easy to read and understand. Your child will enjoy 'stomp, stomp, stomping along' with the different dinosaurs to see what they can find. My Dinosaur Alphabet i to z will be released as individual ebooks over the coming months. |
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By Dee Kyte
Released: 2019-03-26
Kindle Edition
 | | Product Description:
H is for... Harry the Hadrosaurus is the 8th book in the My Dinosaur Alphabet series. It tells the story of the adventures of Harry, as he goes in search of things beginning with the letter h, and he asks for the reader's help in doing this. Colourful illustrations make this book fun to read and learn. The books are an interesting way to help young readers learn their alphabet and some new words.
The first books in this series have all featured on the best sellers' list in the Early Learning category for new releases.
The author is a qualified teacher of English as a second language, so the books are written in a simple format that is suitable for young readers from 2 to 6 years of age, including ESL learners. |
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By Isaac LEA
(Jour. Acad. Nat. Sci
Paperback
![[Offprint]: Descriptions of New Fossil Mollusca, found with the bones of Hadrosaurus Foulkii, in the Cretaceous Formation at Haddonfield, New Jersey](https://images-na.ssl-images-amazon.com/images/I/51hTWLyQRPL._SL160_.jpg) | |
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By JurassicdZ Notebook
Independently published
Paperback (110 pages)
 | List Price: $9.95*
Lowest New Price: $9.95*
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Click Here | Product Description:
College Ruled Color Paperback. Size: 6 inches x 9 inches. 55 sheets (110 pages for writing). Jurassic Fast Food. 157440647911 |
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By JurassicdZ Notebook
Independently published
Paperback (110 pages)
| List Price: $9.95*
Lowest New Price: $9.95*
Usually ships in 24 hours*
*(As of 23:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description:
College Ruled Color Paperback. Size: 6 inches x 9 inches. 55 sheets (110 pages for writing). Jurassic Fast Food. 157440647911 |
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Hadrosaurus Toys
Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
Lana Toys
Toy
 | Lowest New Price: $14.99*
Usually ships in 1-3 weeks*
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Click Here | - ✅【Size】 4 x 2.5 in / 10.3 x 6.5 cm
- ✅【Feature】Dinosaur Toy, Animal Decor, Collector
- ✅【Detail】 High detailed and Beautifully Finished.
Product Description:
Great gift for any fans, worth collecting!!
Exclusive to the movie theater
Character: PNSO Dinosaur Figure
Size: 4 x 2.5 in / 10.3 x 6.5 cm
Material: PVC
WARNING: Small parts inside. Choking hazard. Not suitable for children under the age of 3.
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Tonka Kenner
Toy
 | Lowest New Price: $28.88*
Usually ships in 1-2 business days*
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Click Here | - made in 1993
- One per order
- Great for collectors & hobbyists
Product Description:
Set of 2 1993 (dated) Jurassic Park diecast metal dinosaur figurines,produced by Kenner as a tie-in to the movie. These were a limited edition. Included are a ANKYLOSAURUS AND HADROSAURUS, both dated on the bottom (this can be seen through the packaging), as well as 2 movie collector trading cards. Figures are nicely painted and show great detail |
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FloZ
Toy
 | Lowest New Price: $55.99*
Usually ships in 1-2 business days*
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Click Here | Product Description:
Mandschurosaurus is a genus of hadrosaurs based on material from the Upper Cretaceous of Belye Kruchi, Manchuria. M. amurensis is based on a poorly preserved and incomplete skeleton collected by Russian scientists in 1914 from the banks of the Amur River. It was the first dinosaur genus named from China, and a mounted skeleton is on display at the Central Geological and Prospecting Museum in St. Petersburg. However, much of the skeleton is plaster. Regardless, the remains represent a large hadrosaurid. There has been some debate regarding the validity of this genus. Brett-Surman (1979) first considered it a nomen dubium, though some later workers have continued to see it as a valid taxon (Chapman et Brett Surman, 1990, for example). Most recently, Horner et al. (2004) listed the type species as a nomen dubium. The holotype material was initially referred to the genus "Trachodon" (also a nomen dubium), but later reassigned to a new genus by Riabinin (1930).
Over the years, three species have been placed within this genus: Mandschurosaurus amurensis, M. mongoliensis, and M. laosensis. Brett-Surman (1979) considered M. mongoliensis a distinct genus, which he named Gilmoreosaurus. Horner et al. (2004) considered M. laosensis a nomen dubium. This leaves only Riabinin's original species, M. amurensis, as a possibly valid taxon.
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Lindberg
Toy
 | | - Over 7 Inches Long
- Super Detailed Model Kit
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Nuanmu
Toy
 | Lowest New Price: $6.99*
Usually ships in 24 hours*
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Click Here | - Something new and unique for little dinosaur lovers. There are all together 4Pcs to choose from.
- Safe and delicate design. Each dinosaur action figures is unique and hand painted for kids and adult to play with.
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Jurassic World Toys
Released: 2018-04-16
Gray Toy
 | List Price: $29.99*
Lowest New Price: $29.81*
Usually ships in 24 hours*
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Click Here | - Get ready for thrilling action and adventure with Jurassic World!
- Mosasaurus will thrill fans with its massive size and movie-inspired design!
- Colors and decorations may vary.
Product Description:
Get ready for thrilling action and adventure with Jurassic World! Mosasaurus, the colossal swimming creature, is back again and makes a bigger splash than ever in the film! This action figure is inspired by the movie and comes in a massive size that will thrill fans! Mosasaurus features authentic textured skin, realistic sculpting and articulation that makes this colossal creature come to life! Colors and decorations may vary. |
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Liberty Imports
Brown Toy (Action)
 | Lowest New Price: $9.99*
Usually ships in 24 hours*
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Click Here | - ✅ MULTI-FUNCTION - Comes with the function of walking motion, swinging neck & tail action, authentic roaring, and light up eyes. Bring it back to the Dino Planet with textured body, claws, teeth and more!
- ✅ ON/OFF SWTICH - Toggle switch to get her moving, roaring and light up. Kids can operate easily and have fun. Choose the play mode you prefer! Dinosaur dimensions: 18"(L) X 4"(W) x 11"(H).
- ✅ IDEAL GIFT - With a cool color box packing. Not only a toys but also a communicative link between you and child. Inspire your kid's creativity and imagination. Perfect choice as kids Birthday gift or Christmas gift. Ages 3 and up.
Product Description:
Here comes the huge Brachiosaurus! Designed with a textured body and lifelike details, this egg laying dino will delight your kid for endless hours. There is a lid on the back. Open it and put eggs into the "storage room". Dino will walk and lay eggs while walking, swings his tail and neck, flash his eyes, and make dinosaur sounds. Teach your kids about dinosaurs in a fun and educational way!
SPECIFICATIONS: Dinosaur dimensions: 18"(L) X 4"(W) x 11"(H); 3 X AA batteries required (not included). Recommended for children Ages 3 and up. |
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MECCANO
Released: 2015-08-01
Green Toy
 | List Price: $99.99*
Lowest New Price: $46.00*
Usually ships in 24 hours*
*(As of 23:38 Pacific 15 Dec 2019 More Info)
Click Here | - Programmable T Rex robot interacts with you.
- Your new loyal friends guards against attacks and really roars!
Product Description:
Bring home your very own robot dinosaur best friend! It's up to you to build it, program it, and interact with it however you wish. This programmable robotic dinosaur is an impressive 3 feet long and is a real-life walking T-Rex with realistic behaviour and a fun sense of humor. Meccasaur roars, responds to petting, guards and attacks, answers yes or no, and features real stomping action. Children will enjoy the creative challenge of this robot kit as they construct and program the T-Rex alone or as a fun activity with a parent and feel proud when the dino robot comes to life. Meccano, which owns former construction toy brand Erector, offers the latest in robotics for kids with this unique STEM toy that has kids draw on concepts used in the fields of science, technology, engineering, and mathematics to build and control the programmable robot dinosaur. A great programmable robot toy for kids 10 and up. |
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Collectible Wildlife Gifts
Toy (Educational)
 | Lowest New Price: $5.89*
Usually ships in 24 hours*
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Click Here | - Appreciate our HADROSAURUS DINOSAUR one-piece skeleton for its scientific accuracy. This is an excellent affordable educational gift for young and old who are curious about extinct animals.
- Educational
- Perfect for a gift!
Product Description:
Appreciate our HADROSAURUS DINOSAUR one-piece skeleton for its scientific accuracy. This is an excellent affordable educational gift for young and old who are curious about extinct animals. |
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LoveInUSA
Toy
 | Lowest New Price: $13.99*
Usually ships in 24 hours*
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Click Here | - ❤️ Material: High-quality natural wood, safe and nontoxic, no smell. No glue or tools required. Safety and environmental protection.
- ❤️ Features: This unique model toy can be stained, Lacquered, painted, or left as is.This is no ordinary puzzle craft kit! It helps building your kids' creative minds.
- ❤️Gift for: Collect them all,it's very interesting and simple, Good choice for Christmas, Birthdays, Grand kids, Boys and Girls.Also a great gift for friends as a home decoration.A great way to spend time with your kids while building the model toy together.
Product Description:
Features:
Safe and nontoxic, no smell
This unique model toy can be stained, Lacquered, painted, or left as is.
❤Significance:
Assemble the wood craft kit step by step according to the English Instruction with Illustration. Not only that kids will get fun with it, but also learn hand-eye coordination,fine motor skills and problem-solving skills.
it brings unforgettable times of working together on projects between you and your kids. A super awesome bond for family ties. It's time to get closer with your kids!
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