Mastodonsaurus (meaning `breast tooth lizard`) is an extinct genus of temnospondyl amphibian from the Middle Triassic. It belongs to a Triassic group of temnospondyls called Capitosauria, characterized by their large body size and presumably aquatic lifestyles. Like those of many other capitosaurs, the head of Mastodonsaurus was triangular, reac.....
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http://en.wikipedia.org/wiki/Mastodonsaurus
• (n.) A large extinct genus of labyrinthodonts, found in the European Triassic rocks.
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http://thinkexist.com/dictionary/meaning/mastodonsaurus/
Mas`to·don·sau'rus noun [ New Latin , from English
Mastodon + Greek
say^ros a lizard.]
(Paleon.) A large extinct genus of labyrinthodonts, found in the European Triassic rocks.
Found on
http://www.encyclo.co.uk/webster/M/30
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