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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:
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 Susan Heinrichs Gray
Brand: Child's World
Library Binding (24 pages)
 | List Price: $27.07*
Lowest Used Price: $8.57*
In Stock.*
*(As of 02:13 Pacific 25 Sep 2022 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: 0.57099725858 Pounds
Features:- Used Book in Good Condition
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By Sarah Eason
Bear Claw
Released: January 1st, 2022
Library Binding (24 pages)
 | Lowest New Price: $28.50*
Usually ships within 3 to 5 days.*
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Click Here | Description:
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 Janet Riehecky
Brand: Childs World
Released: November 30th, 1989
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $6.07*
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
- Publication Date: November 30th, 1989
- Release Date: November 30th, 1989
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: $1.99*
In Stock.*
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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: 0.76 Pounds
Features:- Used Book in Good Condition
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | Lowest New Price: $28.50*
Usually ships within 6 to 10 days.*
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The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Publishing
- 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: 10.18 Inches by 8.18 Inches by 0.34 Inches
- Weight: 0.7 Pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell
Bancroft Sage Pub
Released: July 31st, 1991
Paperback (32 pages)
 | Lowest New Price: $10.00*
In Stock.*
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Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)- Manufacturer: Bancroft Sage Pub
- ISBN: 0944280234
- EAN: 9780944280232
Details:- Paperback
- Number of Pages: 32
- Author: Elizabeth J. Sandell
- Publication Date: July 31st, 1991
- Release Date: July 31st, 1991
Physical Description:- Size: 12.0 Inches by 9.0 Inches by 0.25 Inches
- Weight: 0.3747858454 Pounds
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By Virginia Schomp
Cavendish Square Publishing
Released: January 30th, 2005
Library Binding (31 pages)
 | List Price: $31.93*
Lowest New Price: $19.41*
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:
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.
Flormoon
 | Lowest New Price: $18.34*
In Stock.*
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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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TOMY
Toy
 | In Stock.*
*(As of 02:13 Pacific 25 Sep 2022 More Info)
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Tomy International Dinosaur Train Mr. Maiasaura and Daphne DinoVision 2 Pack- Manufacturer: TOMY
- Brand: TOMY
- Model: LC53095
- UPC: 796714530956
- EAN: 0796714530956
- PartNumber: LC53095
Details:Physical Description:- Size: 7.5 Inches by 7.0 Inches by 2.625 Inches
- Weight: 0.3086471668 Pounds
Features:- Includes Mr. Maiasaura and exclusive 3D colored Daphne Daspletosaurus
- Bonus - Includes exclusive 3D glasses, put them on to see cool 3D effects on Daphne
- All figures are compatible with all Dinosaur Train sets, figures and train cars - Collect them all
- Collect them all
- For 3+ years
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Jet Creations
Multicolor Toy
 | Lowest New Price: $19.75*
In Stock.*
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Click Here | Description:
Inflatable Pteranodon Dinosaur, 57" WingSpan- Manufacturer: Jet Creations
- Brand: Jet Creations
- Model: DI-PTE
- UPCs: 894680000326, 799861267324, 811255020305, 885672764982
- EANs: 0799861267324, 0894680000326, 0811255020305, 0885672764982
- PartNumber: DI-PTE
Details:- Product Category: Toy
- Edition: Standard Edition
Physical Description:- Size: 8.0 Inches by 25.0 Inches by 57.0 Inches
- Weight: 0.31 Pounds
- Color: Multicolor
Features:- Pteranodon dinosaur model
- Giant inflatable dinosaur
- Available in 62-inches height
- Elementary grade level
- Featuring 4 color printing process and superior construction
- Makes a captivating display and is sure to turn heads for people to ask, "Is that real?"
- The package includes a repair kit for any punctures or holes
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Safari Ltd.
Toy
 | Lowest New Price: $29.99*
In Stock.*
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Safari Ltd. - Dino Dana Feathered T-Rex Toy Figure - Includes 3D Augmented Reality Play with Dino Dana App - Non-Toxic and BPA Free- Manufacturer: Safari Ltd.
- Brand: Safari Ltd.
- Model: S101006
- UPC: 095866006419
- EAN: 0095866006419
- PartNumber: S101006
Details:Physical Description:- Size: 5.118110231 Inches by 6.692913379 Inches by 3.149606296 Inches
Features:- INNOVATIVE FUN: This fearsome-looking Tyrannosaurus rex, ‘king of the tyrant lizards’, stomps right out of the new Dino Dana feature-length film! With movie-accurate details and innovative Augmented Reality features, this T-Rex is tons of fun.
- LEGENDARY DINO: Throughout the Dino Dana movie, Dana must tussle with the T-Rex! One of the most iconic and well-known predatory dinosaurs, the Tyrannosaurus rex was a giant carnivorous dino with a mouth full of sharp teeth!
- FEROCIOUS IN FEATHERS: This T-Rex toy features movie-accurate details straight from the Dino Dana film, including a feathered appearance and a color pattern straight out of the film.
- 3D AUGMENTED REALITY: By using your phone to scan the QR code on the figure’s hangtag and downloading the Dino Dana app, you can scan the figure’s barcode to make this Feathered T-Rex "come alive" in an Augmented Reality environment!
- PRODUCT SPECIFICATIONS: This Dino Dana Feathered Tyrannosaurus rex toy is 12 inches long and 5 1/4 inches in height. All of our products are non-toxic and BPA-free.
Click here for more information |
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Jet Creations
Multi Toy
 | Lowest New Price: $96.53*
In Stock.*
*(As of 02:13 Pacific 25 Sep 2022 More Info)
Click Here | Description:
Jet Creations Dinosaur Collection Trex Brachiosaurus Triceratops Raptor and other Dinosaurs 7 piece, Size 37+ inch, JC-DINO7, multi- Manufacturer: Jet Creations
- Brand: Jet Creations
- Model: JC-DINO7
- UPC: 811255025706
- EAN: 0811255025706
- PartNumber: JC-DINO7
Details:Physical Description:- Size: 30.0 Inches by 51.0 Inches by 14.0 Inches
- Color: Multi
Features:- Specialty realistic replicas of the Jurassic period dinosaurs including famous T-Rex, brachiosaurs, raptor, and others. Collect entire Jet Creations inflatable dinosaur family All at once!
- Contain Tyrannosaurus Rex, Brachiosaurus or bronto, raptor, Stegosaurus, Triceratops, Spinosaurus, Pteranodon or Pterodactyl. 1 pc each dinosaur
- Size 37 to 57 inch, Please check out the photos or description below for more details
- Target home, party, pool, birthday, gifts, decorations, one of the best party supplies gifts
- Quality full color imprint on phthalate-free vinyl with precision manufacturing process
- Great products! The dinosaurs have been selected as 's choice and as icon of the product category!
- Copyright Jet Creations, all rights reserved
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Gzsbaby
 | List Price: $39.99*
Lowest New Price: $32.99*
In Stock.*
*(As of 02:13 Pacific 25 Sep 2022 More Info)
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
- UPCs: 716963164153, 602773606979
- EANs: 0716963164153, 0602773606979
- PartNumber: 9987
Physical Description:- Size: 4.0 Inches by 15.0 Inches by 11.0 Inches
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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BAODLON
 | Lowest New Price: $19.98*
In Stock.*
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Click Here | Description:
Baodlon Kids Arts Crafts Set Dinosaur Toy Painting Kit - 10 Dinosaur Figurines, Decorate Your Dinosaur, Create a Dino World Painting Toys Gifts for 5, 6, 7, 8 Year Old Boys Kids Girls Toddlers- Manufacturer: Miss August
- Brand: BAODLON
- UPC: 750466343011
- EAN: 0750466343011
- PartNumber: BL-DINO-PINT1
Physical Description:Features:- Endless Fun of Painting Dinosaur- 10 different white dinosaur figures and colorful paint will spark hours of creative and imaginative, and get the painting & creative fun as your children play with legendary creatures from prehistoric times.
- Arts & Crafts Activity Kits - Diy dinosaurs painting kit comes with 10 pieces 7" large white dinosaur toys, 2 sets of paints, 2 mixing color pads, 6 paintbrushes, rich painting accessories are perfect for 2 to 3 kids to spend the quality time together. You can also interact with your kids to bring more companionship and joy to your kids’ growth.
- High Quality and Safely - High-quality White Dinosaur toys made of safely Pvc, which is durable, stand up perfectly. All dinosaurs with safely edges that allow kids to play safely. The water-based and safely paints have 6 colors, and kids also can mix and create more colors for painting the dinosaur figures with any color you want.
- Educational Learning Toys - The Diy crafts can help children to recognize color and enjoy fun for learning color combinations. These craft kits are also can help children increase imagination, creatively skills by painting dinosaurs. Help develop fine motor skills, improves children’s concentration and hand-eye coordination.
- Great Dinosaur Painting Gift - This Dinosaur Painting & Playing Kit with a color packing box is a perfect gift for dinosaur party supplies, Holidays, Birthday, Children's Day, Christmas, Halloween, Thanksgiving, New Year. Great dinosaur toy set for kids boys girls age of 4 5 6 7 8 9 10 year old
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