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Mesosaurus
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Mesosaurus was a genus of reptile that lived during the early Permian
period about 320 and 280 million years ago. It was one of the first
reptiles to return to living in aquatic environments.
Outwardly, Mesosaurus resembled a small alligator.
It had a streamlined body, webbed feet (the hind limbs
were longer than its front limbs, and probably its main
means of propulsion), and a long tail with a fin.
A typical Mesosaurus was about 16 inches (40 centimeters) long, but the
largest animals were up to 6 feet (2 meters) long.
Mesosaurus most likely lived on a diet of fish, although another
possibility is that it may have been able to use its teeth as
sieve (as some modern whales do), and eaten small crustaceans.
Click here for more Mesosaurus Pictures
Mesosaurus was a marine reptile that lived between 320 and 280 million years ago
Related Information & Resources
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Mesosaurus Pictures and Posters
by AllPosters
Here are some Mesosaurus pictures and posters:
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Mesosaurus Books
Here are some books from Amazon.com:
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By Sébastien Steyer
Indiana University Press
Released: 2012-06-01
Paperback (200 pages)
 | List Price: $35.00*
Lowest New Price: $22.64*
Not yet published*
*(As of 06:21 Pacific 17 May 2012 More Info)
Click Here | Product Description:
This beautiful volume introduces the incredible animals that populated the planet before the Age of the Dinosaurs. Readers voyage to a time, beginning about 370 million years ago, when the first four-footed vertebrates appeared, and ending 200 million years later at the moment when the dinosaurs begin their ascent. During this time, vertebrates emerge from the sea and there appears a parade of animals, each more astonishing than the last. On this expedition, we learn how paleontologists become detectives to understand the history of life and we discover that many widely held ideas about the evolution of species are completely false. Earth before the Dinosaurs is an entertaining and informative guide to an astonishing and little-known world. |
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By Alfred Sherwood Romer
Krieger Pub Co
Hardcover (800 pages)
 | List Price: $146.85*
Lowest New Price: $146.85*
Lowest Used Price: $116.95*
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Click Here | Product Description:
Based on the work of Samuel Wendell Williston and Dr. W. K. Gregory, author and editor of the original title published in 1925, this volume consists of two major portions -- a structure-by-structure account of the reptile skeleton, followed by a classification of the various reptile groups based on osteological characters. It was designed to give in outline form an account of the nature of the skeletal system of numerous reptile types living and extinct. |
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By Dennis McCarthy
Oxford University Press, USA
Hardcover (256 pages)
 | List Price: $29.95*
Lowest New Price: $9.97*
Lowest Used Price: $6.02*
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Why do we find polar bears only in the Arctic and penguins only in the Antarctic? Why are marsupials found only in Australia and South America? In a book that Science News called "fascinating and revelatory," Dennis McCarthy tells a story that encompasses two great, insightful theories that together explain the strange patterns of life across the world--evolution and plate tectonics. We find animals and plants where we do because, over time, the continents have moved, separating and uniting in a long, slow dance; because sea levels have risen, cutting off one bit of land from another; because new and barren volcanic islands have risen up from the sea; and because animals and plants vary greatly in their ability to travel, and separation causes the formation of new species. This is the story of how life has responded to, and has in turn altered, the ever-changing Earth. And it includes many fascinating tales--of pygmy mammoths and elephant birds and of radical ideas by bold young scientists. |
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By Jan Sovak & Dinosaurs
Dover Publications
Paperback (48 pages)
 | List Price: $3.95*
Lowest New Price: $1.89*
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Click Here | - ISBN13: 9780486405681
- Notes: 100% Satisfaction Guarantee. Tracking provided on most orders. Buy with Confidence! Millions of books sold!
Product Description:
Unique coloring book focuses on 45 fascinating creatures that predated the well-known dinosaurs. Finely detailed illustrations depict such formidable creatures as nothosaur, a slender 10-foot-long animal that lived on land and in the sea, edaphosaurus, a large herbivorous reptile with a great sail on its back, and 43 other amazing animals. |
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By Henry Fairfield Osborn
Unknown Binding (1 pages)
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By I. C White
Departamento Nacional de ProduçaÌo Mineral, MinisteÌrio das Minas e Energia
Unknown Binding (617 pages)
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