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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 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
Hadrosaurus (Dinosaurs Ruled!)- Manufacturer: PowerKids Press
- Brand: 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 Nice and Simple Books
Independently published
Released: February 19th, 2020
Paperback (105 pages)
 | Lowest New Price: $6.00*
In Stock.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
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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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
 | Lowest New Price: $27.99*
In Stock.*
*(As of 09:15 Pacific 22 Oct 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: LGDSV
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!
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ArtCreativity
 | Lowest New Price: $14.99*
In stock soon. Order it now.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
ArtCreativity Soft Brachiosaurus Dinosaur Toy for Kids, Super Realistic and Soft Touch 15 Inch Dinosaur Figurine, Great Educational Learning Resource, Dinosaur Gift and Party Favors for Boys and Girls- Manufacturer: ArtCreativity
- Brand: ArtCreativity
- UPC: 810031542451
- EAN: 0810031542451
- PartNumber: AC-896
Features:- SUPER-REALISTIC LOOK: An awe-inspiring replica of one of the most iconic dinosaurs to ever roam the planet! This 15” soft brachiosaurus toy is a great treat for dino lovers. Designed with a realistic touch of dark green-grey color, it’s a recipe for immersive imaginative play.
- SOFT AND BENDABLE: Treat little ones to hours of prehistoric fun with a dinosaur toy that bends to their every desire. We’ve used soft, bendable materials to bring this realistic dinosaur figurine to life. This means safe and interactive play to keep kids busy and smiling.
- GREAT EDUCATIONAL TOOL: Make that science lesson stick! This brachiosaurus, with its realistic look, is one of the best dinosaur learning toys. Perfect for preschool and grade school, it’s an attention-grabbing learning resource to school kids on the prehistoric wonders.
- GREAT GIFT IDEA: Birthday, holiday, or anything in between, this soft-touch dinosaur toy makes an awesome treat. It’s also great as a contest prize for boys and girls, and can even be gifted as giggle-sparking dinosaur birthday party favors. Ideal for ages 3+
- BUY RISK-FREE: We fully stand behind our products with a total satisfaction and 100% money-back guarantee. Not satisfied with this soft brachiosaurus dinosaur? We’ll send you a quick replacement or issue a full refund. Click ‘Add to Cart’ now to get the fun started risk-free!
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Jurassic World Toys
Gray Accessory
![Jurassic World Real Feel Mosasaurus [Amazon Exclusive]](https://m.media-amazon.com/images/I/41FsLgKxvXL._SL160_.jpg) | Lowest New Price: $29.99*
In Stock.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
Jurassic World Real Feel Mosasaurus [Amazon Exclusive]- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FNG24
- UPCs: 615912348593, 887961590678
- EANs: 7426911507194, 0615912348593, 0887961590678
- PartNumber: FNG24
Details:- Product Category: Accessory
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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HONGID
 | List Price: $38.99*
Lowest New Price: $25.99*
In Stock.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
Dinosaur Toys for 2-8 Year Old Boys,Dino Projection Kids Toys for 3-8 Year Olds Boys 2 in 1 Car Toys for 2-10 Year Olds Boys,Chirstmas Gifts Stocking Stuffers for 2-10 Year Olds Kids Toddler Toys- Manufacturer: HONGID
- Brand: HONGID
- UPC: 761127150886
- EAN: 0761127150886
- PartNumber: IT-HLJS-0326-919
Physical Description:- Weight: 0.50044933474 Pounds
- Color: Black
Features:- 【Creative LED Projector Visual Effect】The Dinosaur Toys is made with dinosaur theme and car theme to create a gorgeous optical gorgeous illusion with a realistic Triceratops Pterosaur T-Rex and More shape design, which is novelty and charming. It's bound to amaze and impress your kids and guests. It is a unique birthday, Christmas or Easter gifts for kid or friends.Educational Toys for Little Baby,DREAM ROTATING
- 【Dinosaur Toys PROJECTION LAMP】 The LED night light comes with 360 Degree Rotating with 16 color combinations and touch control to adjust 16 different colors as you like.The Dinosaur toys night light can be fixed in Dynamic or gradient color to decorate children's room, living room, bedroom, office, etc.
- 【Dual Power Mode】Our Dinosaur Toys LED Night Light&car projector for kids can be powered by 4-AA batteries(not included) or 5V USB cable connected to PC or your home adaptor(not included), which is very easy and convenient. It is a great creative decorative lights for children bedroom, living room,dinning room and outdoor decoration.
- 【Eco-friendly & Safety】The Dinosaur toy LED lamp&Car projector for kids is made from Safe approved eco-friendly material, safe and harmless to the human body. The night light comes with soft, uniform, non-flicker light, making it safe to your kids, bringing them a nice sleep. It is a very human and practical kids night lights for bedroom.
- 【Great Gift Idea】 – Whether you’re looking for a birthday gift,birthday toy,stocking stuffer Christmas gift or dinosaur themed party supplies or party favors this will be the gift that will make you the favorite parent, aunt, uncle or grandma!They are life-like and great for boys and girls age 3 year old and up.
Click here for more information |
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TEMI
Figure W Toy
 | List Price: $28.99*
Lowest New Price: $20.39*
In Stock.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
TEMI Dinosaur Toy Figure w/ Activity Play Mat & Trees, Educational Realistic Dinosaur Playset to Create a Dino World Including T-Rex, Triceratops, Velociraptor, Perfect Gifts for Kids, Boys & Girls- Manufacturer: TEMI
- Brand: TEMI
- Model: B07MYTBV6N
- UPC: 722020891856
- EAN: 0722020891856
- PartNumber: S500-28
Details:Physical Description:- Size: 4.7 Inches by 9.7 Inches by 7.6 Inches
- Color: Figure W
Features:- Jurassic adventurous journey - are you concerned about your kid getting addicted to gadgets? Give them the chance to spend long play hours exploring the dinosaur world. This is a complete set of 9 dinosaur action figures, as well as a compelling Dino park mat that can hone their exploration skills.
- Ultimate realistic dinosaurs – this interactive Dino Playset includes Tyrannosaurus Rex, giganotosaurus, therizinosaurus, Stegosaurus, Triceratops, Velociraptor, acrocanthosaurus, Brachiosaurus, Dimetrodon in total 9 dinosaurs. Made of non-toxic PVC, plus hand-painted make them more durable and realistic. Large dinosaur figures of all types ensure safety for kids, eliminating CHOKING.
- Activity playmat –compare with competition, our rug is made of soft non-woven fabrics texture instead of thin PVC. This carpet show us an interesting cartoon dinosaur park with bright color. It is large enough for 2 to 4 players to spend the quality time together. Activity mat dimension: 31.5’’ x 27.6’’.
- Education & development Playset - the realistic dinosaur figures will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run. It is an excellent educational toy that will teach your children cooperation with their friends or will keep them creatively entertained in their own room!
- Never go wrong as a gift - all dinosaurs can be stored in a study carrying case with handle. It is perfect for birthday party, Christmas, holiday or Impulse gift. Meantime, it can be played at home, outdoor or as Part of a science project at school. The vibrant colors, The great attention to detail and the realistic moves make this dinosaur play set your #1 gift to a Dino Lover.
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Osmo
Plus Toy
 | Lowest New Price: $111.45*
In Stock.*
*(As of 09:15 Pacific 22 Oct 2021 More Info)
Click Here | Description:
Osmo - Little Genius Starter Kit for iPad + Early Math Adventure - 6 Educational Learning Games - Ages 3-5 - Counting, Shapes, Phonics & Creativity (Osmo iPad Base Included) (Amazon Exclusive)- Manufacturer: osmo
- Brand: Osmo
- Model: 901-00032
- UPC: 850001161732
- EAN: 0850001161732
- PartNumber: 901-00032
Details:Physical Description:- Size: 9.6 Inches by 2.75 Inches by 12.0 Inches
- Weight: 2.9982867632 Pounds
- Color: Plus
Features:- OSMO IS MAGIC: Award-winning learning games let your child interact with tangible educational toys and an iPad, bringing their actions to life. A hands-on learning adventure awaits your little genius (No WiFi necessary for game play). An Osmo Base is included, an iPad is not included, both are required for game play.
- TEACHING: Use Sticks & Rings for 4 creative games: Fill a magic mansion with furniture & incredible things you create exploring shapes & colors (Shape Builder)! Practice counting as you build numbers creating a town of buildings & friendly animals (Counting Town). Learn letter formation & phonics with 300+ words (ABCs), creating images in 5 playgrounds & watch them come to life on screen (Squiggle Magic).
- SKILLS LEARNED: Get kinder-ready with Osmo! EARLY MATH (number recognition, counting, shapes). EARLY READING (letter formation, pre-reading, phonics, age-appropriate vocabulary) OTHER ESSENTIAL LIFE SKILLS (fine-motor skills, attention to detail, social-emotional, imagination, critical thinking, empathy, problem solving, early literacy, colors, emotions, spatial reasoning).
- AGE & CAPABILITY: Designed for ages 3-5. Educational games engage preschoolers in core subjects by merging tactile exploration with innovative technology. Beyond fostering creativity and cognitive skills, these educational toys help your child learn in a stress-free environment with instant feedback and encouragement.
- WHAT'S IN THE BOX: Osmo Base & Reflector for iPad, 19 cardboard pretend play Costume Pieces, 38 silicone Sticks/Rings (BPA Free and Dishwasher Safe) to practice letter, number & shape forming, silicone game play mat, stackable storage for game pieces & 6 Game Apps: Shape Builder, Counting Town, ABCs, Costume Party, Stories, and Squiggle Magic.
- COMPATIBILITY FOR IPAD: All iPads except Generation 1-4, 9 & Mini 6. iPad Reflector 2021 required for the: iPad Air 4, iPad Pro 11-inch & iPad Pro 12.9-inch. The minimum iOS version needed is iOS 10.
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