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Maiasaura
Click here for more Maiasaura Pictures
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
Released: August 1st, 2009
Library Binding (24 pages)
 | Lowest New Price: $27.07*
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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
- Publication Date: August 1st, 2009
- Release Date: August 1st, 2009
Physical Description:- Size: 8.5 Inches by 9.5 Inches by 0.25 Inches
- Weight: 0.58 Pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
Brand: Childs World
Released: December 1st, 1989
Library Binding (32 pages)
 | Lowest New Price: $24.65*
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: December 1st, 1989
- Release Date: December 1st, 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 John R. Horner
Running Press,U.S.
Released: April 1st, 1989
Paperback (56 pages)
 | List Price: $5.95*
Lowest Used Price: $4.99*
In Stock.*
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Click Here | Description:
Maia: A Dinosaur Grows Up- Manufacturer: Running Pr Book Pub
- Brand: Running Press,U.S.
- ISBN: 0894716913
- EAN: 9780894716911
Details:- Paperback
- Edition: Reissue
- Number of Pages: 56
- Authors: John R. Horner, James Gorman
- Publication Date: April 1st, 1989
- Release Date: April 1st, 1989
Physical Description:- Size: 10.9 Inches by 0.2 Inches by 8.4 Inches
Click here for more information |
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By Natalie Shaw
Simon Spotlight
Released: May 7th, 2019
Board book (26 pages)
 | Lowest New Price: $7.99*
In Stock.*
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Click Here | Description:
My First 100 Dinosaur Words (Dinosaur Train)- Manufacturer: Simon Spotlight
- Brand: Simon Spotlight
- ISBN: 1534425217
- EAN: 9781534425217
Details:- Product Category: Board book
- Edition: Media tie-in
- Number of Pages: 26
- Author: Natalie Shaw
- Publication Date: May 7th, 2019
- Release Date: May 7th, 2019
Physical Description:- Size: 8.0 Inches by 5.25 Inches by 0.6 Inches
- Weight: 0.55 Pounds
Click here for more information |
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | List Price: $28.50*
Lowest Used Price: $7.21*
In Stock.*
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Click Here | Description:
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
Click here for more information |
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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: $4.75*
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: 0.76 Pounds
Features:- Used Book in Good Condition
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By Jerry Pallotta
Cartwheel Books
Released: August 27th, 2013
Hardcover (32 pages)
 | Lowest New Price: $12.99*
In Stock.*
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Click Here | Description:
Dinosaur Christmas- Manufacturer: Cartwheel Books
- Brand: Cartwheel Books
- ISBN: 0545433606
- EAN: 9780545433600
- PartNumber: 21024049
Details:- Hardcover
- Format: Picture Book
- Edition: Illustrated
- Number of Pages: 32
- Author: Jerry Pallotta
- Publication Date: August 27th, 2013
- Release Date: August 27th, 2013
Physical Description:- Size: 9.1 Inches by 11.0 Inches by 0.4 Inches
- Weight: 0.85 Pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell
Bancroft Sage Pub
Released: August 1st, 1991
Paperback (32 pages)
 | Lowest New Price: $10.00*
In Stock.*
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Click Here | Description:
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: August 1st, 1991
- Release Date: August 1st, 1991
Physical Description:- Size: 12.0 Inches by 9.0 Inches by 0.25 Inches
- Weight: 0.3747858454 Pounds
Click here for more information |
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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.
Maikouhai
Toy
 | Lowest New Price: $15.99*
In Stock.*
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Click Here | Description:
Maikouhai Maiasaura Model Birthday Gifts School Project Dinosaur Collections Toys- Manufacturer: Maikouhai
- Brand: Maikouhai
- EAN: 7433447276968
- PartNumber: Maikouhai
Details:Features:- Premium Material for Durable and Long Lasting Dinosaur Action Figure: Made of environmently PVC , Safe, non-toxic, and environment friendly, to ensure you safety play. help kid to find confidence and motivate them to learn more new things.
- Fun and educational for both boys and girls. Kid dinosaur toys are great for home school, as part of a science project at school, or even for taking with you on road trips or in the house!
- Exquisite Workmanship Model for Kid: Great for the Children's Christmas, will make your Children very happy and surprised.Also Perfect Festival Birthday Gift For your kid.
- The dinosaur figures can be used as stocking stuffers, party favors, decorations, rewards and gifts. Perfect for a dinosaur themed birthday party, and science project or report.
- Dinosaur figures are painted with amazing detail, realistic, educational, and fun, this figurine is suitable for a range of interests, including collectors, teachers, and kid. Another special characteristic of this figure is the care in the details and postures, which gives the impression that the figurines are animated.
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Flormoon
Toy
 | Lowest New Price: $16.94*
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
- UPC: 763944126792
- EAN: 0763944126792
- PartNumber: FLM-10408-1113US
Details: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!
Click here for more information |
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Flormoon
| Lowest New Price: $14.36*
In Stock.*
*(As of 09:26 Pacific 24 Jan 2021 More Info)
Click Here | Description:
Flormoon Dinosaur Toy Realistic Maiasaura Plastic Early Educational Toys Cupcake Topper Party Gift for Kids 2+ Year Old(Soft)- Manufacturer: FLORMOON
- Brand: Flormoon
- UPC: 727380059076
- EAN: 0727380059076
- PartNumber: US0220EJ*10408
Physical Description:- Weight: 0.7054792384 Pounds
Features:- Best Gift for 2 year old up: Our toy animal is an awesome birthday gift or reward and look great as kid's room decoration. Kids love that very much.
- Safety Kids Toy: Animal action figures was made of plastic durable material, Eco-friendly, BPA Free, Phthalates Free. Conforms to ASTM/CE/CPSC Toy Safety Standards.
- Realistic Toy Figures: Our animal toys was hand painted with high realistically detailed appearance. Their uniquely molded textures and richly painted details make the animals vivid.
- Jungle Animals World Themed Party: The animal figurines toys are great for Christmas party favors, holidays, birthday party games, science project, early educational toys, party decoration or rewards.
- Early Educational Toys: Miniature animal figurines will spark hours of imaginative play. It will help to improve children's concentration and outsight, develop and train their imagination and creativity.
Click here for more information |
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YouCute
Toy
 | Lowest New Price: $24.99*
In Stock.*
*(As of 09:26 Pacific 24 Jan 2021 More Info)
Click Here | Description:
Dinosaur Toys 15 Realistic Figures with PlayMat Books Educational 6" to 10" Dino Party Supplies for Kids Boys Girls Including T-rex Triceratops Velociraptor Pterosaur- Manufacturer: YouCute
- Brand: YouCute
- UPC: 721353076268
- EAN: 0721353076268
- PartNumber: 099A-1
Details:Features:- More Dinosaurs: 15 Dinosaur figures in large sizes,average size 7.5 inch except T-Rex egg,Plesiosaur is 10 inches long.Various dinosaurs from minimum 6 inches to maximum 10 inches live in the land,air and sea,with a adventurous playmat to give your kids to spend long play hours create a realistic Jurassic dinosaur park.
- Educational Toys:Come with an introduction manual of various dinosaurs,and playmat made of soft non-woven fabrics texture instead of thin PVC.This map show us an interesting cartoon dinosaur park with bright color.Kids and toddler will have fun and imaginative when they play with realistic-looking dinosaurs, and learn about these educational dinosaurs.
- Perfect Gifts: It is a perfect gift for your kids'Birthday party,party decoration, party favors,Christmas,Holidays,Children's Day,Halloween,Thanksgiving,New Year gift.
- Saft Quality: Made with 100% bpa free and non toxic high-quality durable materials,adhere to strict US and ASTM standards for child safety, and are rigorously tested and certified by independent third party labs for quality control and assurance,that are safe for your children.
- Package including: 15 realistic dinosaurs,1 activity playmat,1 instruction manual and 3 trees.
Click here for more information |
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Flormoon
 | Lowest New Price: $9.10*
In Stock.*
*(As of 09:26 Pacific 24 Jan 2021 More Info)
Click Here | Description:
Flormoon Animal Figures Realistic Maiasaura Child Plastic Early Educational Toys Cupcake Topper Party Gift for Kids 2+ Year Old- Manufacturer: FLORMOON
- Brand: Flormoon
- UPC: 727380056914
- EAN: 0727380056914
- PartNumber: US0220EJ*10621
Physical Description:- Weight: 0.3086471668 Pounds
Features:- Best Gift for 2 year old up: Our toy animal is an awesome birthday gift or reward and look great as kid's room decoration. Kids love that very much.
- Safety Kids Toy: Animal action figures was made of plastic durable material, Eco-friendly, BPA Free, Phthalates Free. Conforms to ASTM/CE/CPSC Toy Safety Standards.
- Realistic Toy Figures: Our animal toys was hand painted with high realistically detailed appearance. Their uniquely molded textures and richly painted details make the animals vivid.
- Jungle Animals World Themed Party: The animal figurines toys are great for Christmas party favors, holidays, birthday party games, science project, early educational toys, party decoration or rewards.
- Early Educational Toys: Miniature animal figurines will spark hours of imaginative play. It will help to improve children's concentration and outsight, develop and train their imagination and creativity.
Click here for more information |
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Flormoon
As Shown Toy
| Lowest New Price: $10.33*
In Stock.*
*(As of 09:26 Pacific 24 Jan 2021 More Info)
Click Here | Description:
Flormoon Maiasaura Child Figure Realistic Animal Figurines Early Educational Dinosuar Toy Science Project Christmas Birthday Cake Topper for Kids Toddler- Manufacturer: FLORMOON
- Brand: Flormoon
- UPC: 758048029766
- EAN: 0758048029766
- PartNumber: FLM-10621-1119
Details:Physical Description: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 for Kids 3+ Year Old - 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 100% 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!
Click here for more information |
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