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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 Rob Shone
PowerKids Press
Released: September 1st, 2009
Library Binding (32 pages)
 | Lowest New Price: $28.50*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Hadrosaurus: The Duck-Billed Dinosaur (Graphic Dinosaurs (Library))- Manufacturer: PowerKids Press
- Brand: PowerKids Press
- ISBN: 1435885910
- EAN: 9781435885912
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 32
- Author: Rob Shone
- Publication Date: September 1st, 2009
- Release Date: September 1st, 2009
Physical Description:- Size: 11.0 Inches by 9.1 Inches by 0.3 Inches
- Weight: 0.9 Pounds
Click here for more information |
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By CAMILLE JENKINS
Independently published
Released: September 23rd, 2020
Paperback (58 pages)
 | Lowest New Price: $5.99*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Hadrosaurus Coloring Book- Manufacturer: Independently published
- EAN: 9798689621234
Details:- Paperback
- Number of Pages: 58
- Author: CAMILLE JENKINS
- Publication Date: September 23rd, 2020
- Release Date: September 23rd, 2020
Physical Description:- Size: 11.0 Inches by 8.5 Inches by 0.14 Inches
Click here for more information |
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By Dee Kyte
Independently published
Released: April 9th, 2019
Paperback (207 pages)
 | Lowest New Price: $28.99*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
My Dinosaur Alphabet: Allosaurus to Hadrosaurus- Manufacturer: Independently published
- ISBN: 1092718141
- EAN: 9781092718141
Details:- Paperback
- Number of Pages: 207
- Author: Dee Kyte
- Publication Date: April 9th, 2019
- Release Date: April 9th, 2019
Physical Description:- Size: 9.0 Inches by 6.0 Inches by 0.49 Inches
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.
Li'l-Gen
Toy
 | List Price: $28.99*
Lowest New Price: $21.67*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Li'l-Gen Dinosaur Toys with Interactive Sound Book, Hear Realistic Roars with Dinosaur Sound Book, 12 Realistic Dinosaur Figures for Kids, Interactive Play Set of Dinosaur Toys for Kids 3-5- Manufacturer: Li'l-Gen
- Brand: Li'l-Gen
- Model: LGDSV
- UPC: 853042008097
- EAN: 0853042008097
- PartNumber: LG-DS12B
Details:- Product Category: Toy
- Edition: First Edition
Features:- JURASSIC WORLD DINOSAUR TOYS: Through this dinosaur toys for toddlers, your kids will experience the era of the dinosaurs! Let them play with these realistic dinosaur toys, discover sounds from dino toys like this set, and see the earth as it once was through their eyes! These dinosaur toys for boys ages 3 and up will surely spark their curiosity about the Jurassic world.
- EDUCATIONAL AND FUN: Playtime provides a lot of learning, especially as your kids familiarize themselves with 12 of the enormous dinosaurs and their natural cries. Read the accompanying story in the dinosaur book or let them make one on their own. This dinosaur toy collection is the perfect set of dinosaur toys for 3-year old kids and even older. Learning sure is fun with this pack of dinosaurs toys!
- INCLUDES BOOK WITH SOUNDS: Be fully immersed with this dinosaur set with sound book as you listen to sounds of dinosaurs. Each button in the book has an image of one type of dinosaur. Press it to hear the roar it made. Careful, they might be in your midst! This realistic dinosaur pack figures set is the perfect dinosaur toys for kids who love the Jurassic!
- WHAT’S INCLUDED: (12) Life-Like Dinosaur Toy Figures, (1) Dinosaur Sound Book
- THE LI’L-GEN PROMISE: We know that early childhood development and enjoyment go hand-in-hand. That's why we strive to make products that will stimulate the imagination, develop early childhood tools, and educate young minds, all while still being tons of fun! We promise to do everything we can to make sure that you or your loved ones are 100% satisfied with your purchase!
Click here for more information |
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NUOBESTY
 | List Price: $10.49*
Lowest New Price: $9.59*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
NUOBESTY Dinosaur Figurine Models Ankylosaurus Dinosaur Action Figure Jurassic World Park Dino Toys Science Educational Toy for Kids Party Blue- Manufacturer: NUOBESTY
- Brand: NUOBESTY
- PartNumber: E8129724BC68
Physical Description:- Size: 2.362204722 Inches by 6.1023621985 Inches by 2.362204722 Inches
- Weight: 0.3086471668 Pounds
- Color: Blue
Features:- PART OF A GROWING PLAY WORLD. The Tyrannosaurus Rex is part of the Dinosaurs collection of figurines and playsets from Schleich. Great for gifting, this figurine can stand alone or fit into a larger, modular play world. The Dinosaurs Dinosaur Set with Cave is an excellent accompaniment.
- With excellent craftsmanship, perfect for decoration at home or office.
- DETAILED & REALISTIC. Crafted with precision and authentic detail to create a lifelike toy that teaches and inspires toddlers and kids of every age; helps introduce children to animals. From the first sketch to the intricate finishing touches, we see value in every detail.
- Made of high quality material, safe, eco-friendly and durable.
- It can stand steadily on smooth desktop.
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Matchbox
Multi Toy
 | Lowest New Price: $129.99*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
JURASSIC WORLD RC VEHICLE Gyrosphere RC- Manufacturer: Mattel
- Brand: Matchbox
- Model: FNH11
- UPC: 887961591514
- EAN: 0887961591514
- PartNumber: FNH11
Details:Physical Description:- Size: 17.75 Inches by 10.0 Inches by 4.0 Inches
- Weight: 2.0 Pounds
- Color: Multi
Features:- This innovative RC vehicle is based on the gyro sphere from Jurassic world!
- Comes with a single control remote control that will allow it to roll in all directions
- The gyro sphere is compatible with 3.75-Inch action figures (not included)
- Comes with one Slug figure
- Great gift for Jurassic world fans!
Click here for more information |
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Jurassic World
Gray Toy
![Jurassic World Real Feel Mosasaurus [Amazon Exclusive]](https://m.media-amazon.com/images/I/41FsLgKxvXL._SL160_.jpg) | Lowest New Price: $47.93*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Jurassic World Real Feel Mosasaurus [Amazon Exclusive]- Manufacturer: Mattel
- Brand: Jurassic World
- Model: FNG24
- UPCs: 615912348593, 887961590678
- EANs: 7426911507194, 0615912348593, 0887961590678
- PartNumber: FNG24
Details:Physical Description:- Size: 8.0 Inches by 5.0 Inches by 24.0 Inches
- Weight: 1.0 Pounds
- Color: Gray
Features:- Get ready for thrilling action and adventure with Jurassic World!
- Making a bigger splash than ever, Mosasaurus, the colossal swimming creature, is back again!
- Mosasaurus will thrill fans with its massive size and movie-inspired design!
- Authentic textured skin, realistic sculpting and articulation make colossal creature come to life.
- Colors and decorations may vary.
Click here for more information |
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Fisher-Price
Multi Accessory
 | Lowest New Price: $99.99*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Fisher-Price Imaginext Jurassic World Jurassic Rex- Manufacturer: Fisher Price
- Brand: Fisher-Price
- Model: FMX85
- UPC: 887961584462
- EAN: 0887961584462
- PartNumber: FMX85
Details:- Product Category: Accessory
Physical Description:- Size: 15.748 Inches by 15.748 Inches by 29.9213 Inches
- Weight: 7.0 Pounds
- Color: Multi
Features:- Preschool kids ages 3-8 years can control the Jurassic Rex with the handle on her back!
- Push the dinosaur forward & she lunges with arms out & mouth open!
- CHOMP! Press the trigger to close her mouth around her prey
- Turn the Power Pad to launch the vehicle & send Owen racing into action!
- Turn the Power Pad on the dinosaur’s head to see her eyes light-up green and dilated, or red and un-dilated with a glowing-red mouth!
Click here for more information |
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Jurassic World
Released: July 27th, 2020
Multi Toy
 | Lowest New Price: $24.86*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Jurassic World Camp Cretaceous Control ‘N Conquer Carnotaurus Toro Large Dinosaur, Primal Attack Feature, Sounds, Movable Joints, Map & Stickers, Ages 4 Years & Up- Manufacturer: Mattel
- Brand: Jurassic World
- Model: GNL07
- UPC: 887961872958
- EAN: 0887961872958
- PartNumber: GNL07
Details:- Product Category: Toy
- Publication Date: July 27th, 2020
- Release Date: July 27th, 2020
Physical Description:- Size: 8.06 Inches by 15.0 Inches by 4.61 Inches
- Color: Multi
Features:- The Control 'n Conquer Carnotaurus Toro dinosaur figure is inspired by the Jurassic World animated series, Camp Cretaceous!
- Larger-sized figure features "Primal Attack" total control action by tilting the tail up to move the head, waist and to twist sideways. Lift the tail up to make the Carnotaurus ROAR or push the button on tail back to make it ROAR, too!
- Use the button to make the jaws open and close to pick up figures and accessories!
- Control 'n Conquer Carnotaurus Toro also features movie-inspired sculpting, movable joints, authentic color, realistic texture and includes a map and scene booklet with reusable dinosaur stickers.
- It's the perfect gift for ages 4 years and up especially Jurassic World fans and those who love dinosaurs and action play!
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more!
Click here for more information |
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OleFun
Toy
 | List Price: $39.99*
Lowest New Price: $24.99*
In Stock.*
*(As of 04:10 Pacific 31 Jul 2021 More Info)
Click Here | Description:
Olefun Dinosaur Toys for 3 Years Old & Up - Dinosaur Sound Book & 12 Realistic Looking Dinosaurs Figures Including T-Rex, Triceratops, Utahraptor, for Kids, Boys and Girls- Manufacturer: Olefun
- Brand: OleFun
- UPC: 737123177486
- EAN: 0737123177486
- PartNumber: CQ-Dino-0806
Details:Features:- Dinosaur Figures--This sturdy play box includes 12pcs 7'' Animal Dinosaur Toys, which is durable, bright and colorful, stand up perfectly. In hollow design and decent size, kids can play it everywhere, even in the bed or in the tub. Brilliant dinosaur set for dino enthusiasts.
- Dinosaur Sound Book- Artist James Duffy from Ireland is presenting you this amazing interactive sound book. Come with delicate illustration and dinosaur introduction, Made with thick, sturdy cardboard pages. By pressing the sound button, dinosaur names are pronounced before the realistic roar to help the child learn them. The best toy for sharing and learning.
- Educational & Fun-The names and sounds associated with the book and dinosaur figures toys are very helpful in distinguishing dinosaur and learning their pronunciation, which makes it a very great gift for boys and girls of various ages. Matching the dino figures to the books to their names will be kids' favorite past-time
- Best Gift Idea - Perfect as stocking stuffers, party favors, birthday party games, educational purposes, party decoration, party favors, handouts or rewards. Ideal party favor or gift for a dinosaur themed birthday party and all kinds of the festival (Easter, Christmas, Halloween Thanksgiving, New Year).
- Premium quality and service-Made with durable 100% safe Abs plastic.Any quality issue Please contact us freely. We will reply to you within 24 hours.
Click here for more information |
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