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Maiasaura
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Maiasaura was a plant-eating dinosaur that lived in
North America during the late Cretaceous period,
about 80 to
65 million years ago.
It was probably one of the dinosaurs that died out in the Cretaceous-Tertiary
extinction,
65 million years ago.
Maiasaura adults were about 30 feet (9.1 meters) long,
and weighed 3 to 4 tons.
The creature could walk on two or four legs, and had
no obvious defenses against predators except for its
heavy muscular tail, and the fact that it lived in
large herds (some herds many have consisted of as many
as 10,000 individuals).
When Maiasaura was first discovered in
western
Montana
in 1978
by "Jack" Horner
and Robert Makela,
a complete nesting site was
found, where the dinosaurs laid their eggs, and nutured their young.
The nests were mounds of mud, with a depression in the center of each
mound. The eggs had been laid with great care, arranged in circles and layers
within the depression, each nest containing 30 to 40 eggs, each about the size
of an ostrich egg. Scientists believe that
Maiasaura would probably have covered each layer of eggs with sand or earth,
to protect them from predators, and
to keep the eggs warm. Although the parents are not believed to have sat
on the nests, it is highly likely that heat generated by
rotting vegetation in the nest, contributed to warming the eggs.
The name Maiasaura means "Good Mother Lizard", and was chosen in honor of the fact
that it was the first dinosaur species discovered with clear and convincing
evidence that it cared for its young.
This includes the fact that
fossils
of baby Maiasaura show that the hatchlings' legs were not fully
developed, and were incapable of walking, yet also show partially
worn teeth, indicating that the adults brought food to the nest.
Maiasaura has been designated the official state
fossil
of
Montana,
since
1985.
Maiasaura was the first dinosaur in space. A Maiasaura egg-shell, and a piece
of bone from a baby Maiasaura, were taken into space by NASA in
1985.
Maiasaura was a herbivore (plant-eater) that lived from 80 to 65 million years ago
Related Information & Resources
See Also
Maiasaura Facts
Here is a summary of some of the key facts about Maiasaura:
- Maiasaura was a genus of dinosaur.
- "Maiasaura" means "good mother lizard". This name was chosen by "Jack" Horner and Robert Makela in 1978, and refers to the fact this was the first dinosaur for which evidence of naturing behavior was found.
- Maiasaura was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Maiasaura was not closely related to birds, it did have similarly shaped pelvic bones.
- Maiasaura 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.
- Maiasaura lived between about 80 million years ago and 65 million years ago, during the late Cretaceous period.
- Maiasaura was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Maiasaura lived in North America.
- Maiasaura was a herbivore (plant-eater).
- Maiasaura was about 30 feet (9.1 meters) long.
- Maiasaura weighed about 3 to 4 tons.
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Maiasaura Books
Here are some books from Amazon.com:
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By Susan Heinrichs Gray
Brand: Child's World
Library Binding (24 pages)
 | List Price: $27.07*
Lowest Used Price: $5.98*
In stock. Usually ships within 3 to 4 days.*
*(As of 14:00 Pacific 29 May 2023 More Info)
Click Here | Description:
Maiasaura (Introducing Dinosaurs)- Manufacturer: Childs World Inc
- Brand: Brand: Child's World
- ISBN: 1602532397
- EAN: 9781602532397
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 24
- Author: Susan Heinrichs Gray
Physical Description:- Size: 8.5 Inches by 9.5 Inches by 0.25 Inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
Brand: Childs World
Library Binding (32 pages)
 | Lowest New Price: $21.44*
In Stock.*
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Click Here | Description:
Maiasaura : Dinosaurs Series- Manufacturer: The Childs World Inc
- Brand: Brand: Childs World
- ISBN: 0895655438
- EAN: 9780895655431
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Dougal Dixon
Brand: Picture Window Books
Released: September 1st, 2006
Library Binding (24 pages)
 | List Price: $26.65*
Lowest Used Price: $1.69*
In Stock.*
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Click Here | Description:
Maiasaura and Other Dinosaurs of the Midwest (Dinosaur Find)- Manufacturer: Picture Window Books
- Brand: Brand: Picture Window Books
- ISBN: 1404827498
- EAN: 9781404827493
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Dougal Dixon
- Publication Date: September 1st, 2006
- Release Date: September 1st, 2006
Physical Description:- Size: 9.9999999898 Inches by 9.9999999898 Inches by 0.25196850368 Inches
- Weight: 0.85 Pounds
Features:- Used Book in Good Condition
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By Jennifer Zeiger
Cherry Lake Publishing
Released: August 1st, 2013
Library Binding (24 pages)
 | List Price: $29.21*
Lowest Used Price: $8.07*
In Stock.*
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Click Here | Description:
Maiasaura (21st Century Junior Library: Dinosaurs and Prehistoric Creat)- Manufacturer: Cherry Lake Publishing
- Brand: Cherry Lake Publishing
- ISBNs: 9781624311635, 1624311636
- EAN: 9781624311635
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Jennifer Zeiger
- Publication Date: August 1st, 2013
- Release Date: August 1st, 2013
Physical Description:- Size: 8.1 Inches by 8.1 Inches by 0.3 Inches
- Weight: 0.5 Pounds
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By Daniel Cohen
Brand: Bridgestone Books
Released: January 1st, 2004
Library Binding (24 pages)
 | List Price: $23.32*
Lowest Used Price: $7.06*
In Stock.*
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Maiasaura (Discovering Dinosaurs)- Manufacturer: Capstone Press
- Brand: Brand: Bridgestone Books
- ISBN: 0736825223
- EAN: 9780736825221
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Daniel Cohen
- Publication Date: January 1st, 2004
- Release Date: January 1st, 2004
Physical Description:- Size: 7.99999999184 Inches by 8.12598424368 Inches by 0.31102362173 Inches
- Weight: 0.48 Pounds
Features:- Used Book in Good Condition
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | List Price: $29.95*
Lowest Used Price: $6.96*
In Stock.*
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The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Books
- Brand: Bearport Publishing
- ISBN: 1597162574
- EAN: 9781597162579
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 32
- Author: Duncan Searl
- Publication Date: August 1st, 2006
- Release Date: August 1st, 2006
Physical Description:- Size: 10.25 Inches by 8.25 Inches by 0.5 Inches
- Weight: 0.7 Pounds
Features:- Used Book in Good Condition
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By Sarah Eason
Bear Claw
Released: January 1st, 2022
Library Binding (24 pages)
 | List Price: $29.95*
Lowest New Price: $16.73*
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A Nest of Bones: Maiasaura Discovery (Fossils Uncovered!)- Manufacturer: Bear Claw
- ISBN: 1636913350
- EAN: 9781636913353
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Sarah Eason
- Publication Date: January 1st, 2022
- Release Date: January 1st, 2022
Physical Description:- Size: 9.0 Inches by 6.5 Inches by 0.5 Inches
- Weight: 0.35 Pounds
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By Virginia Schomp
Cavendish Square Publishing
Released: January 30th, 2005
Library Binding (31 pages)
 | List Price: $32.64*
Lowest New Price: $19.42*
In Stock.*
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Maiasaura: And Other Duck-Billed Plant-Eaters (Prehistoric World)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 0761415459
- EAN: 9780761415459
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 31
- Author: Virginia Schomp
- Publication Date: January 30th, 2005
- Release Date: January 30th, 2005
Physical Description:- Size: 10.24 Inches by 10.14 Inches by 0.43 Inches
- Weight: 0.94 Pounds
Features:- Used Book in Good Condition
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Maiasaura Toys
Here are some toys/games from Amazon.com:
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Flormoon
 | Lowest New Price: $18.34*
In Stock.*
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Click Here | Description:
Flormoon Dinosaur Toy - Realistic Maiasaura Animals Figure - Early Educational Toys Science Project Christmas Birthday for Boys and Girls- Manufacturer: FLORMOON
- Brand: Flormoon
- Model: 530
- UPC: 763944126792
- EAN: 0763944126792
- PartNumber: 530
Features:- Safety Material - Animal Figurines made of durable Eco-friendly plastic material, BPA Free, Phthalates Free and Non-Toxic. Conforms to Releated Toy Safety Standards. Safety always comes first.
- Realistic Animal Figures - Our Animal figurines was hand painted with high realistically detailed appearance, cute face and childish eyes. Their uniquely molded textures and richly painted details make the animals vivid.
- Imaginative Play - The Realistic animals Figure palyset will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run wild as they create imaginary interactions with African wild animals figurines toys.
- Great Fift for Children - The animal figurines toys are great for stocking stuffers, Christmas party favors, holidays, birthday party games, educational purposes, learning Playset toys, party decoration, party favors or rewards. Ideal party or birthday gifts supplies set for a jungle animals world themed.
- Long-term Warranty - We have a no hassle 108% guarantee refund policy. If you get the play animal figures set and do not love them, simply return for a full refund. Just Add to your cart now!
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Jurassic World Toys
Gray Accessory
 | Lowest New Price: $76.79*
In Stock.*
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Click Here | Description:
Jurassic World Real Feel Mosasaurus- 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.
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Gzsbaby
Blue Toy
 | List Price: $39.99*
Lowest New Price: $32.99*
In Stock.*
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Click Here | Description:
Gzsbaby 6 Piece Jumbo Dinosaur Toys for Kids and Toddlers, 13-17 Inches Giganotosaurus Velociraptor T-Rex, Large Soft Dinosaur Toys for Dinosaur Lovers - Perfect Dinosaur Party Favors, Birthday Gifts- Manufacturer: HUIHUAN
- Brand: Gzsbaby
- Model: 9987
- UPCs: 716963164153, 602773606979
- EANs: 0716963164153, 0602773606979
- PartNumber: 9987
Details:Physical Description:- Size: 4.0 Inches by 15.0 Inches by 11.0 Inches
- Color: Blue
Features:- WHAT'S INSIDE: 13-17 Inches 6 Pcs Jumbo Dinosaur Set includes the following mighty dinosaurs: T-Rex, Pterodactyl, Triceratops, Brachiosaurus,Giganotosaurus and Velociraptor Blue . This jumbo dinosaur set includes realistic, colorful dinosaur figures that are durable and made from high-quality material.
- EDUCATIONAL DINOSAUR FIGURES:Kids will Enjoy Hours of Imaginative Play with These Jumbo Realistic-looking Dinosaurs!Fun and Educational for Both Boys and Girls Alike.Just Right for a School / Dinosaur Science Project or Report.
- REALISTIC-LOOKING WITH DETAILING:Dinosaurs features nice detailing making it perfect for educational displays or in everyday play.Large Sizes Soft Dinosaurs Build a More Realistic Dinosaur Park.
- PERFECT AS GIFT FAVORS: Birthday Party Games, Educational Purposes, Party Decoration, Handouts or Rewards, Chrismas Gifts,New Year Gift. Ideal Party Favor or Gift For a Dinosaur Themed Birthday Party.
- CUSTOMER SATISFACTION. Providing good experience is our main priority to our customers. Feel free to message us through “contact sellers” if products don't meet your expectations.
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Jurassic World Toys
Multi Accessory
 | Lowest New Price: $23.99*
In Stock.*
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Jurassic World Toys Massive Biters Sarcosuchus Larger-Species Dinosaur Action Figure, Tail-Activated Strike & Chomp Action- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GVG68
- UPC: 887961925562
- EAN: 0887961925562
- PartNumber: GVG68
Details:- Product Category: Accessory
Physical Description:- Size: 29.57 Inches by 4.09 Inches by 14.25 Inches
- Weight: 0.881849048 pounds
- Color: Multi
Features:- This larger-sized Jurassic World Massive Biters dinosaur action figure features realistic moves and animated movement for total battle play control!
- Make the figure come alive by moving the tail side to side for head movement, move the tail for body twisting motion and move the tail for an awesome CHOMP--activate all moves at the same time for total animated control!
- You can also push the button on the tail area to make the jaws chomp, too, for extra-added battle play!
- Movie-inspired sculpting, movable joints, authentic color and realistic texture make the figure come alive!
- For ages 4 and up.
- 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!
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Star Princess
 | List Price: $29.99*
Lowest New Price: $18.98*
In Stock.*
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Click Here | Description:
Little Girls Purse with Accessories and Pretend Makeup for Toddlers - My First Purse Set Includes Handbag, Phone, Wallet, Play Makeup and More Pretend Play Toys for Girls Age 3 +, Great Gift for Girls- Manufacturer: Star Princess
- Brand: Star Princess
- UPC: 850031231054
- EAN: 0850031231054
- PartNumber: CB-1007
Physical Description:- Size: 9.8 Inches by 6.7 Inches by 5.0 Inches
- Weight: 1.0 Pounds
Features:- ALL INCLUSIVE SET - This super cute realistic purse set for little girls and toddlers has everything she needs to play little Mommy on the go. Watch her go shopping like mom or just role-playing at home.
- SET INCLUDES - 1 purse, 1 wallet, 15-piece play money, 3 credit cards, 1 ID card, 1 cellphone (no function or batteries to ensure safe and long-lasting play), 1 car key fob, key ring with 4 keys, 1 hairbrush, sunglasses, pretend makeup set, looks so real but without the mess and does not apply to the skin (1 nail polish, 1 blush with applicator, 1 lipstick, 1 4-shades eyeshadow), 1 pack of real pocket tissues for pretend play and actual use, 1 hand sanitizer keychain bottle.
- REALISTIC PURSE - Featuring elegant design with premium detailing, including neat contrast stitching, smooth quality zipper, carry handles, and a removable length-adjustable crossbody strap. Purse doubles as storage to keep neatly together all the included accessories and carry them along wherever she goes.
- QUALITY CRAFTSMANSHIP - USA-designed and made of durable and lasting quality, this 18+ piece set is guaranteed to keep your daughter entrained and engaged in imaginative play for endless hours.
- EXCELLENT GIFT IDEA - This Star Princess set will make the most perfect and memorable holiday or birthday gift for your little princess; With the many realistic-looking everyday accessories, your little one will enjoy every moment playing with this beautiful fun set.
Click here for more information |
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Li'l-Gen
Toy
 | Lowest New Price: $19.95*
In Stock.*
*(As of 14:00 Pacific 29 May 2023 More Info)
Click Here | Description:
Li'l-Gen Dinosaur Toys for Kids 3-5 - Interactive Dinosaur Sound Book w/Realistic Roars & 12 Large Dinosaur Toys (7") - Interactive Set of Dino Toys for Kids 3+, Toy Dinosaurs for Toddlers (No Mat)- Manufacturer: Li'l-Gen
- Brand: Li'l-Gen
- Model: LGDSV
- UPC: 853042008097
- EAN: 0853042008097
- PartNumber: LGDSV
Details:- Product Category: Toy
- Edition: First Edition
Features:- WHAT’S INCLUDED - 12 dinosaur toy figures and 1 dinosaur sound book
- KIDS DINOSAUR TOYS - Through these dinosaur toys, 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 kids 3-5 will surely spark their curiosity about the dinosaur world.
- EDUCATIONAL & 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. 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 the 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 dinosaurs!
- 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 make sure that you or your loved ones are 100% satisfied with your purchase!
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PREXTEX
Multi_color Unknown Binding
 | Lowest New Price: $19.99*
In Stock.*
*(As of 14:00 Pacific 29 May 2023 More Info)
Click Here | Description:
PREXTEX Dinosaur Toys for Kids 3-5 (12 Plastic Dinosaur Figures & Interactive Dinosaur Book with Sound) - Toddler Dinosaur Toy, Dinosaur Gift Set for Toddlers, Dinosaurs for Kids 3-5 (Boys & Girls)- Manufacturer: Prextex
- Brand: PREXTEX
- Model: RXZER23
- UPC: 810031583980
- EAN: 0810031583980
- PartNumber: PR83980
Details:- Product Category: Unknown Binding
Physical Description:- Size: 5.118110231 Inches by 5.118110231 Inches by 5.118110231 Inches
- Weight: 0.625 Pounds
- Color: Multi_color
Features:- 12 REALISTIC DINOSAURS - This set of toy dinosaurs for kids 3-5 includes 12 dinosaur figures - t-rex, spinosaurus, stegosaurus, diplodocus, apatosaurus, triceratops, ankylosaurus, monoclonius, allosaurus, baryonyx, corythosaurus, and pachycephalosaurus.
- SOUND BOOK WITH DINOSAUR NAMES & SOUNDS - Discover and learn the names and rumbling sounds of each of the 12 dinosaurs featured in this book by pressing the button on the right side that corresponds to the dinosaur pictured.
- FUN & EDUCATIONAL - This interactive sound book is fun to play with while providing knowledge and fun facts about these prehistoric beasts.
- CHILD-SAFE - Made of non-toxic great-quality plastic material and features realistic detailing, these dinosaur toys are guaranteed safe for your children for hours of learning and development as well as imaginative play and fun.
- BEAUTIFUL PACKAGING FOR GIFTING - This set of dinosaur toys for kids 3-5 is nicely packaged in a beautifully designed box that's perfect for wrapping and gift-giving.
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