Mesosaurus

Mesosaurus (meaning `middle lizard`) is an extinct genus of reptile from the Early Permian of southern Africa and South America. Along with the genera Brazilosaurus and Stereosternum, it is a member of the family Mesosauridae and the order Mesosauria. Mesosaurus was long thought to have been one of the first marine reptiles, although new data su.....
Found on http://en.wikipedia.org/wiki/Mesosaurus

Mesosaurus

(pronounced MESS-oh-SAWR-us) Mesosaurus meaning middle lizard) was an odd, fresh-water dwelling reptile (not a dinosaur) that lived from the late Carboniferous period to the early Permian period . It was a lightly-built, four-legged animal with an elongated head and snout with nostrils near its eyes. It had a flattened tail that was probably used f...
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Mesosaurus

early aquatic relative of reptiles, found as fossils from the Early Permian Period (290 million to 256 million years ago) in South Africa and South ...
Found on http://www.britannica.com/eb/a-z/m/77

Mesosaurus

Mesosaurus A “middle lizard” was an odd, fresh-water dwelling reptile, not a dinosaur, that lived from the Late Carboniferous period to the Early Permian period. It was one of the first aquatic reptiles whose fossils were found in South Africa and South America. Named by Francois-Louis Gervais in 1865.
Found on http://www.wordinfo.info/words/index/info/view_unit/1299/4
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