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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
Released: August 15th, 2011
Paperback (24 pages)
 | Lowest New Price: $8.25*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Hadrosaurus (Dinosaurs Ruled!)- Manufacturer: PowerKids Press
- ISBN: 1448850967
- EAN: 9781448850969
Details:- Paperback
- Number of Pages: 24
- Author: Leigh Rockwood
- Publication Date: August 15th, 2011
- Release Date: August 15th, 2011
Physical Description:- Size: 8.7 Inches by 8.6 Inches by 0.4 Inches
- Weight: 0.4 Pounds
Click here for more information |
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By Anastasia Suen
Bridges
Released: August 11th, 2019
Hardcover (32 pages)
 | List Price: $31.36*
Lowest New Price: $27.66*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
North American Dinosaurs Hadrosaurus- Manufacturer: Bridges
- ISBN: 1731614497
- EAN: 9781731614490
Details:- Hardcover
- Number of Pages: 32
- Author: Anastasia Suen
- Publication Date: August 11th, 2019
- Release Date: August 11th, 2019
Physical Description:- Size: 10.1 Inches by 7.6 Inches by 0.3 Inches
- Weight: 0.65 Pounds
Click here for more information |
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By Rob Shone
Powerkids Pr
Released: September 1st, 2009
Library Binding (32 pages)
 | Lowest New Price: $28.50*
Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your account will only be charged when we ship the item.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Hadrosaurus: The Duck-billed Dinosaur (Graphic Dinosaurs)- Manufacturer: Powerkids Pr
- ISBN: 1435885910
- EAN: 9781435885912
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Rob Shone
- Publication Date: September 1st, 2009
- Release Date: September 1st, 2009
Physical Description:- Size: 10.75 Inches by 9.0 Inches by 0.25 Inches
- Weight: 0.9 Pounds
Click here for more information |
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By Darlene Stille
Brand: Rourke Pub Group
Released: September 1st, 2006
Library Binding (24 pages)
 | List Price: $27.07*
Lowest Used Price: $17.61*
In stock. Usually ships within 3 to 4 days.*
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Click Here | Description:
Hadrosaurus (North American Dinosaurs)- Manufacturer: Rourke Publishing (FL)
- Brand: Brand: Rourke Pub Group
- ISBN: 1600442528
- EAN: 9781600442520
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Darlene Stille
- Publication Date: September 1st, 2006
- Release Date: September 1st, 2006
Physical Description:- Size: 10.0 Inches by 7.5 Inches by 0.25 Inches
- Weight: 0.57 Pounds
Features:- Used Book in Good Condition
Click here for more information |
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By Nice and Simple Books
Independently published
Released: February 19th, 2020
Paperback (105 pages)
 | Lowest New Price: $6.00*
Usually ships within 3 days.*
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Click Here | Description:
Hadrosaurus Notebook: Dinosaur-themed college ruled journal- Manufacturer: Independently published
- EAN: 9798615713828
Details:- Paperback
- Number of Pages: 105
- Author: Nice and Simple Books
- Publication Date: February 19th, 2020
- Release Date: February 19th, 2020
Physical Description:- Size: 11.0 Inches by 8.5 Inches by 0.24 Inches
Click here for more information |
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By April Jones Prince
Cartwheel Books
Released: January 30th, 2018
Hardcover (14 pages)
 | List Price: $8.99*
Lowest New Price: $7.99*
In Stock.*
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Click Here | Description:
101 Dinosaurs: And Other Prehistoric Reptiles- Manufacturer: Cartwheel Books
- ISBN: 1338193198
- EAN: 9781338193190
- PartNumber: Illustrated
Details:- Hardcover
- Edition: Brdbk
- Number of Pages: 14
- Author: April Jones Prince
- Publication Date: January 30th, 2018
- Release Date: January 30th, 2018
Physical Description:- Size: 10.0 Inches by 10.0 Inches by 0.5 Inches
- Weight: 1.05 Pounds
Click here for more information |
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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.
Kolobok
Soft Brown Parasaurolophus Toy
 | Lowest New Price: $12.99*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Kolobok Dinosaur Toys Park – Parasaurolophus Squeezable Toy – Jurassic Action Figures World – Brown- Manufacturer: Oenux
- Brand: Kolobok
- EAN: 7426932162099
- PartNumber: Pvcdtppb1
Details:- Product Category: Toy
- Edition: Soft Brown Parasaurolophus
Physical Description:- Size: 4.7 Inches by 11.8 Inches by 3.0 Inches
- Color: Soft Brown Parasaurolophus
Features:- 🦖 【Safety First】: Large Herbivorous Ornithopod toy is Safe for kids and adults; Dino toys are made of non-toxic Squeezable PVC material
- 🦖 【Draw Attention】: Jurassic world novelty gift stimulates kids imagination and helps them to create their own fallen kingdom
- 🦖 【Educational Toy】: Realistic 3d dinosaur figure encourage pretend play, boost children’s creativity and brain development
- 🦖 【Entertain】: Big dinosaur toys are ideal for toddler’s small hands; Great as a birthday gift idea, dinosaur party supplies or decorations
- 🦖 【Features】: Prehistoric animal - Large Parasaurolophus dinosaur figure; Soft and Squeezable model in Brown color; Size: 11.8”; No original box
Click here for more information |
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Nuanmu
Toy
 | Lowest New Price: $6.99*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Nuanmu Dinosaur Rings Collection Dinosaur Finger Toys Model Toy for Kids (Hadrosaurus)- Manufacturer: Nuanmu
- Brand: Nuanmu
- UPC: 728618256199
- EAN: 0728618256199
- PartNumber: Nuanmu
Details:Physical Description:- Size: 2.01 Inches by 3.9 Inches by 2.8 Inches
- Weight: 0.09 Pounds
Features:- Something new and unique for little dinosaur lovers. There are all together 4Pcs to choose from.
- Realistic dinosaurs. Various dinosaur animal toys.
- Safe and delicate design. Each dinosaur action figures is unique and hand painted for kids and adult to play with.
- Kids new party favourite. Great for dinosaur birthday parties, birthday gift, Christmas gift and educational purposes
Click here for more information |
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Saobao
 | Lowest New Price: $16.99*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Lunch Tote Bag Dinosaur Hadrosaurus Handbag Lunchbox Food Container Gourmet Tote Cooler Warm Pouch For School Work Office Travel Outdoor By Saobao- Brand: Saobao
- EAN: 8882058356733
Physical Description:- Size: 11.5 Inches by 11.5 Inches by 5.0 Inches
- Weight: 0.2 Kilograms
- Color: Multi
Features:- COMPACT, LIGHTWEIGHT DESIGN:11.5"(29.3cm) x 11.5"(29.3cm) x 5"(12.8cm); WEIGHT: 0.2KG
- INSULATES UP TO FIVE HOURS: The lunch tote bag helps retain the ideal food temperatures.
- EASY TO CLEAN: Made of cotton cloth, breathable and soft, can be repeated cleaning.
- FEATURES:Portable and soft handle, great for adults, who could find great use in this versatile lunchbox. Use it for food, holding a bento box, snacks,fruit,beverages.
- SATISFACTION GUARANTEE:we provide the unmatched quality lunch bag with variety of wonderful colors and pattern,reliable replacement warranty.
Click here for more information |
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Yobeyi
 | Lowest New Price: $16.99*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Dinosaur Puzzles 3D Wooden Building Blocks Toys Manual DIY Stereo Model Diagram Creative Assembled Educational Toy for Adults and Kids- Manufacturer: Yobeyi
- Brand: Yobeyi
- UPC: 781520332061
- EAN: 0781520332061
- PartNumber: Robot4
Physical Description:Features:- Educational Toy: Wooden puzzle brain teaser toy, suitable for children above 6 years old, the product includes three kinds of puzzles, Stegosaurus, Triceratops, Tyrannosaurus, Spinosaurus, Brontosaurus, Hadrosaurus. The size is shown in the picture .
- About Product: Products with high quality wood processing, edge horn carefully chamfering grinding, smooth, environmentally friendly water-based paint, safe non-toxic, feel is exquisite.Each model is accompanied by a DIY drawing instruction ,all pieces interlock with each other forming a 3D model, no cutting tools or glue required , also can use glue to reinforce the model if necessary
- Creativity and Fun:These toys can increase the baby's visual recognition, hands and feet coordination, creativity, imagination, the ability to explore the world. can improve children's interests and increase their knowledge and practical ability; Children can feel fulfilled when they finish the work with their own efforts.This unique model toy can be stained, Lacquered or left as is. You can buy paint to paint the color you like after assembly to make your model more attractive.
- Pretty Decoration:form a beautiful Ornament worthy of display on your desk or bookshelf as a gift for friends, kids,lover; Or as your home decoration ,Perfect item to decorate your rooms, tables and showcases, etc.
- Best Gift: Leave your work and Enjoy the great parent-child interaction game,Stimulates children's brain development by assemble it, also developing the intelligence and logic sense of children at the same time. It’s the best birthday/children's Day /Christmas /New Year gift for family or friends.
Click here for more information |
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Melissa & Doug
Multi Toy
 | List Price: $9.99*
Lowest New Price: $8.99*
In Stock.*
*(As of 21:07 Pacific 5 Apr 2020 More Info)
Click Here | Description:
Melissa & Doug Dinosaur Chunky Puzzle- Manufacturer: Melissa & Doug
- Brand: Melissa & Doug
- Model: 3747
- UPCs: 885755328674, 001910513833, 730162120802, 698887782555, 877607464555, 000772037471, 885700534815, 683498518792, 810973005540, 707005018473, 885403900320, 885401076508, 885695330119, 885542444273, 885530013887, 707003214846, 971475522659
- EANs: 0707003214846, 0971475522659, 0707005018473, 4054678168728, 0885542444273, 0885755328674, 0885695330119, 0810973005540, 0885700534815, 0683498518792, 0000772037471, 0698887782555, 0885530013887, 0001910513833, 0885403900320, 0885401076508, 0877607464555, 9899999614647, 0730162120802
- PartNumber: 3747
Details:Physical Description:- Size: 0.8 Inches by 10.5 Inches by 11.8 Inches
- Weight: 1.55 Pounds
- Color: Multi
Features:- Includes pteranodon, ankylosaurus, apatosaurus, T-Rex, triceratops, stegosaurus, and hadrosaurus pieces
- Chunky wooden pieces stand for imaginative play
- 7-piece puzzle and picture-under-pieces puzzle board
- 1"H x 9"L x 12"W
- 2+ years
Click here for more information |
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![[Offprint]: Descriptions of New Fossil Mollusca, found with the bones of Hadrosaurus Foulkii, in the Cretaceous Formation at Haddonfield, New Jersey](https://m.media-amazon.com/images/I/51hTWLyQRPL._SL160_.jpg)
