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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 Leigh Rockwood
PowerKids Press
Paperback (24 pages)
 | List Price: $8.25*
Lowest New Price: $2.90*
Lowest Used Price: $43.40*
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 Rob Shone
Powerkids Pr
Library Binding (32 pages)
 | List Price: $28.50*
Lowest New Price: $28.50*
Lowest Used Price: $6.68*
Usually ships in 24 hours*
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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 Darlene R. Stille
Rourke Pub Group
Paperback (24 pages)
 | List Price: $7.95*
Lowest New Price: $134.99*
Lowest Used Price: $2.50*
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Click Here | Product Description:
Fierce prehistoric dinosaurs are an all-time favorite among reluctant readers. Kids will have fun reading and learning about dinosaurs that once roamed the North American continent. Filled with engaging illustrations and archeology-like photographs, these books will educate as they entertain the reader. A big hit with kids of all ages. |
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By Journals4Fun
Independently published
Paperback (200 pages)
 | List Price: $8.97*
Lowest New Price: $8.97*
Usually ships in 24 hours*
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Click Here | Product Description:
A notebook for little dino lovers! Get your thoughts down on paper with this Dinosaur Composition book! Great for students in elementary school and middle school, or for dinosaur lovers who need a place to write. 100 sheets (200 pages) in standard composition book size (9 3/4" by 7 1/2"). Wide-ruled paper. Cute, baby Hadrosaur design. |
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By April Jones Prince
Cartwheel Books
Released: 2018-01-30
Hardcover (14 pages)
 | List Price: $8.99*
Lowest New Price: $5.00*
Lowest Used Price: $1.99*
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Click Here | Product Description:
Long-necked dinosaurs were huge and heavy.
They munched the tallest trees.
They filled their big bellies.
These dinosaurs ate plants all day.
Every dino has a name.
No two dinos were the same!
Meet the long-necks, flyers, boneheads, duckbills, swimmers, armored, horned, plated, and sharp-toothed creatures of prehistoric times in this oversized board book with 101 creatures for kids to name and sound out! With bite-size information that's perfect for this young age, phonetic spellings of each creature, and an interactive refrain, the first book in this young nonfiction series is sure to be a hit! |
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By Isaac LEA
(Jour. Acad. Nat. Sci
Pamphlet
![[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 Rebecca Rissman
Capstone Press
Paperback (32 pages)
 | List Price: $7.95*
Lowest New Price: $6.15*
Lowest Used Price: $5.57*
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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. |
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By John T Cunningham
New Jersey Tercentenary Commission
Unknown Binding (4 pages)
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By Joseph Leidy
Academy of Natural Sciences, Philadelphia, 1879. Leidy was the leading American expert on anatomy and vertebrate paleontology during the middle 19th Century. Best known for his study of the dinosaur Hadrosaurus foulkii, which greatly advanced knowledge of these prehistoric giants and placed the United States at the scientific forefront of vertebrate paleontology. Leidy studied other fossil animals, including fishes and reptiles, but most of Leidy's paleontological work was on prehistoric mammals
Paperback
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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.
LINDBERG
Toy
 | Lowest New Price: $16.98*
Usually ships in 1-2 business days*
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Click Here | - Over 7 Inches Long
- Super Detailed Model Kit
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Collectible Wildlife Gifts
Toy (Educational)
 | Lowest New Price: $5.49*
Usually ships in 2-3 business days*
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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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Tonka Kenner
Toy
 | Lowest New Price: $31.99*
Usually ships in 24 hours*
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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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LoveInUSA
 | List Price: $23.99*
Lowest New Price: $23.99*
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!
❤Material: Natural wood
About Brand
New brand:LoveInUSA
Our brand purpose: CUSTOMER FIRST
30-Day Money Back Guarentee.100% Secure Shopping
Please select LoveInUSA seller--Thank you!
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Melissa & Doug
Released: 2007-03-13
Multi Toy
 | List Price: $9.99*
Lowest New Price: $7.13*
Usually ships in 24 hours*
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Click Here | - Includes pteranodon, ankylosaurus, apatosaurus, T-Rex, triceratops, stegosaurus, and hadrosaurus pieces
- 7-piece puzzle and picture-under-pieces puzzle board
- 2+ years
Product Description:
This extra thick wooden puzzle includes seven easy-grasp, chunky dinosaur pieces with a full-color, matching picture underneath. The dino pieces stand upright for pretend play. Encourages eye-hand, fine motor and creative expression skills. |
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Tonka Kenner
Toy
 | Lowest New Price: $74.87*
Usually ships in 2-3 business days*
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Click Here | - Jurassic Park Die-Cast ANKYLOSAURUS AND HADROSAURUS Mini Dinosaurs
Product Description:
made in 1993;made by Tonka Kenner;One per order;Hard to find.;Great for collectors & hobbyists |
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domook
 | Lowest New Price: $16.99*
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Click Here | - ◆Better Insulation： Coming with high quality aluminum film interior and zipper closure for long term insulation up to 5 hours to keep your food and drinks warm and fresh.
- ◆Easy To Use： This lunch bag is designed with lightweight fabric and strong handle for easy carrying to school and office.Made of water-resistant material, it's easy to clean and dry. The zipper closure makes it easier to access your meal preps.
- ◆GUARANTEE: We are trying our best to offer best service and don't be sad if you are unable to find what you like And WE CAN PRINT WHATEVER YOU WANT AS A MEMORABLE GIFT FOR FRIENDS OR FAMILIES. Take some time to go around our shop and you will get something unexpected. We take responsibility for defective items So please contact us first before your spirit getting bad if you are not satisfied with our products.
Product Description:
◆Material：Neoprene
◆Size：11.5 in（L）×11.5 in（W）×5 in（H）
◆Weight：210g/ 7.41oz
◆Features：Zipper closure + Top handle
Main comparment with aluminum film Iinsulation
Insulated a long time for school /office
◆Attention：Don't be sad if you are unable to find what you like. Take some time to go around our shop and you will get something unexpected. And WE CAN PRINT WHAT YOU WANT AS A MEMORABLE GIFT FOR FRIENDS OR FAMILIES. So if you're interested in our customize service， please contact us anywhere and anytime. |
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domook
 | List Price: $28.99*
Lowest New Price: $28.99*
Usually ships in 3-4 business days*
*(As of 18:51 Pacific 16 Feb 2019 More Info)
Click Here | - ◆Attention：Don't be sad if you are unable to find what you like. Take some time to go around our shop and you will get something unexpected. WE CAN PRINT WHAT YOU WANT AS A MEMORABLE GIFT FOR FRIENDS OR FAMILIES. So if you're interested in our customize service， please contact us anywhere and anytime.
- ◆For Several occasions: This durable school backpack is sturdy yet lightweight, water-resistant and easy to clean, giving you a comfortable and enjoyable trip. It's convenient for organizing items so you won't struggle with them while camping, hiking, picnic and other outdoor activities. It can also serve as school bags for carrying laptops, books and so on. And high quality print and customize service make it a best gift for your important people.
- ◆Warranty：We are trying our best to offer best service and we take responsibility for defective items. So please contact us first before your spirit getting bad if you are not satisfied with our products.
Product Description:
◆Material：Polyester
◆Size：11.5 in（L）×8 in（W）×16 in（H）
29.2cm （L）×20.3 cm（W）×40.6 cm（H）
◆Weight：440g
◆Features：Zipper closure
Main comparment×1
Side pocket×2
Interior Pocket×4
Large and Roomy enough to organize your books, travel essentials and files.
◆Attention：Don't be sad if you are unable to find what you like. Take some time to go around our shop and you will get something unexpected. And WE CAN PRINT WHAT YOU WANT AS A MEMORABLE GIFT FOR FRIENDS OR FAMILIES. So if you're interested in our customize service， please contact us anywhere and anytime. |
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Passion Gift Stamp Art
Brown Kitchen
 | List Price: $15.90*
Lowest New Price: $15.90*
Usually ships in 1-2 business days*
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Click Here | - Frame dimensions: 3.6" X 2.8"
- Handmade wood frame
- Fridge Magnet
Product Description:
This "Hadrosaurus, Dinosaurs, Prehistoric Animals" Postage Stamp Art is handmade by our family in Vancouver, Canada. Since 2001, we've been making and selling our art at craft fairs. We use only genuine, collectible postage stamps. Each piece is about the size of your hand (3.6" x 2.8"). We choose from postage stamps worldwide and craft the wood frames in our studio. We're humbled that over ten thousand people have given our art to their friends and loved ones. Thanks for browsing our collection. We hope you'll find a piece that you enjoy. If you have a question, please send us a message. We look forward to hearing your thoughts. From our hands and hearts,
James & Selyn
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LINDBERG
Toy
 | Lowest New Price: $71.19*
Usually ships in 2-3 business days*
*(As of 18:51 Pacific 16 Feb 2019 More Info)
Click Here | - Jurassic Park Hadrosaurus Corythosaurus Super Detailed Model Kit
Product Description:
Over 7 Inches Long;Over 5 Inches High;Super Detailed Model Kit |
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