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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 Janet Riehecky
Brand: Childs World
Released: December 1st, 1989
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $5.69*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
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: 0.65 Pounds
Features:- Used Book in Good Condition
Click here for more information |
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By Duncan Searl
Brand: Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | Lowest New Price: $43.62*
Usually ships within 6 to 10 days.*
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Click Here | Description:
Maiasaura Nests (Fossil Hunters)- Manufacturer: Bearport Publishing
- Brand: Brand: Bearport Publishing
- ISBN: 1597162574
- EAN: 9781597162579
Details:- Product Category: Library Binding
- 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: $6.46*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
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 Daniel Cohen
Brand: Bridgestone Books
Released: January 1st, 2004
Library Binding (24 pages)
 | List Price: $23.32*
Lowest Used Price: $6.21*
In Stock.*
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Click Here | Description:
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: 0.5 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 (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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By Janet Riehecky
The Childs World Inc
Released: June 1st, 1994
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $5.38*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
Click Here | Description:
Mayasauria/Maiasaura (Dinosaur Series) (Spanish Edition)- Manufacturer: The Childs World Inc
- ISBN: 1567661475
- EAN: 9781567661477
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
- Publication Date: June 1st, 1994
- Release Date: June 1st, 1994
Physical Description:- Size: 10.5 Inches by 8.25 Inches by 0.5 Inches
Click here for more information |
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By Virginia Schomp
Brand: Cavendish Square Publishing
Released: January 1st, 2004
Library Binding (31 pages)
 | List Price: $30.93*
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: Brand: Cavendish Square Publishing
- ISBN: 0761415459
- EAN: 9780761415459
Details:- Product Category: Library Binding
- Number of Pages: 31
- Author: Virginia Schomp
- Publication Date: January 1st, 2004
- Release Date: January 1st, 2004
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.
Maikouhai
Toy
 | Lowest New Price: $12.43*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
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.
Click here for more information |
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Lumumi
As Shown Toy
| Lowest New Price: $6.49*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
Click Here | Description:
Lumumi Maiasaura Model Toys, Dinosaur Collections Toys for Birthday Gifts School Project- Manufacturer: Crolomi
- Brand: Lumumi
- UPC: 789668856012
- EAN: 0789668856012
- PartNumber: Crolomi8
Details:Physical Description:- Weight: 0.5732018812 Pounds
- Color: As Shown
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.
Click here for more information |
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Kolobok
Soft Maiasaura Toy
 | Lowest New Price: $17.99*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
Click Here | Description:
Kolobok Dinosaur Toys Park – Maiasaura Squeezable Toy - Jurassic Action Figures World – Herbivore- Manufacturer: Mofun
- Brand: Kolobok
- EAN: 7426932164833
- PartNumber: Kdtphm1
Details:- Product Category: Toy
- Edition: Soft Maiasaura
Physical Description:- Size: 5.3 Inches by 15.4 Inches by 3.9 Inches
- Color: Soft Maiasaura
Features:- 🦕【 Safety First】: Made of high quality, non-toxic PVC plastic with cotton filling inside; Safe for kids from age 6; Do not eat
- 🦕 【Draw Attention】: Soft flexible monster encourages kids to use imagination and play actively; Great idea for birthday or party favors
- 🦕 【Brain Power】: Realistic bendable 3d model can be used as educational toy and helps to enhance child development
- 🦕【 Entertaining】: Make game play more dynamic thrilling; Great as a novelty gift or fallen kingdom dinosaur party supplies
- 🦕 【Features】: Standing Maiasaura ancient animal soft replica; Figurine Size: 15.4 inch; No original Box
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Collecta
Toy
 | List Price: $9.00*
Lowest New Price: $6.99*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
Click Here | Description:
CollectA Prehistoric Life Rajasaurus Toy Dinosaur Figure - Authentic Hand Painted & Paleontologist Approved Model- Manufacturer: CollectA
- Brand: Collecta
- Model: 88555
- EAN: 4892900885551
- PartNumber: 88555
Details:Physical Description:- Size: 2.44094 Inches by 6.61416 Inches by 1.10236 Inches
- Weight: 0.0220462262 Pounds
Features:- FUN FACTS: Rajasaurus means "Kingly Lizard". It was a bipedal theropod dinosaur with a unusual head crest.
- PALEONTOLOGIST APPROVED: Working with experts from across the globe, Collecta hand-painted figurines are all factually accurate and paleontologist-approved, so little ones get to learn while they play.
- AUTHENTICITY: Each prehistoric sculpture has been approved by Anthony Beeson, a well respected expert in palaeoimagery who is also an art librarian, archaeologist and collector, based in the city of Bristol, England.
- SAFETY: All CollectA products are individually hand crafted with only the finest materials and rigorously tested to ensure they meet the highest safety standards.
- PRODUCT SPECS: Rajasaurus measures 6.61 in L x 1.10 in W and is suitable for kids 3 and up.
Click here for more information |
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Flormoon
Toy
 | Lowest New Price: $14.36*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 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
Details: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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Flormoon
Toy
 | Lowest New Price: $9.10*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 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
Details: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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TOMY
Toy
 | Lowest New Price: $48.75*
In Stock.*
*(As of 01:01 Pacific 7 Apr 2020 More Info)
Click Here | Description:
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
Click here for more information |
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