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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 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.
LoveInUSA
Toy
 | List Price: $23.99*
Lowest New Price: $15.99*
Usually ships in 24 hours*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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Collectible Wildlife Gifts
Toy (Educational)
 | Lowest New Price: $5.49*
Usually ships in 2-3 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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Lindberg
Toy
 | Lowest New Price: $24.99*
Usually ships in 1-2 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
Click Here | - Over 7 Inches Long
- Super Detailed Model Kit
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Tonka Kenner
Toy
 | Lowest New Price: $31.99*
Usually ships in 1-2 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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Nuanmu
Toy
 | Lowest New Price: $7.99*
Usually ships in 24 hours*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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Lindberg
 | Lowest New Price: $19.19*
Usually ships in 1-2 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
Click Here | Product Description:
Hadrosaurus " Corythosaurus" Model Kit 70375 Over 7" Long and 5" high Assembled Paintable . Like- Like detail , easy to assemble.skill level 2. |
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StampShapes
Toy
 | Lowest New Price: $8.00*
Usually ships in 1-2 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
Click Here | - Stamped Image Measures 1.25 or 1-1/4 Inches at the Widest Point
- Highest quality Rubber, Won't crack over time.
- 100% Made In the USA
Product Description:
Stamp Shapes offers creative, funny and cute craft stamps. Our stamps offer a thick stable wood handle so you know exactly where your stamping. Our stamps are laser cut with a precise crisp edges and smooth stamp surface. |
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Lindberg
Toy
 | Lowest New Price: $66.79*
Usually ships in 1-2 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
Click Here | - Jurassic Park Hadrosaurus Corythosaurus
Product Description:
Brand New |
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Tonka Kenner
Toy
 | Lowest New Price: $70.73*
Usually ships in 2-3 business days*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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Melissa & Doug
Released: 2007-03-13
Multi Toy
 | List Price: $9.99*
Lowest New Price: $9.95*
Usually ships in 24 hours*
*(As of 21:57 Pacific 19 Apr 2019 More Info)
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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