Pachycostasaurus definitions

Pachycostasaurus

Pachycostasaurus is an extinct genus of plesiosaur. ...
Found on http://en.wikipedia.org/wiki/Pachycostasaurus

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Pachycostasaurus

Pachycostasaurus A “thick-rib lizard” from Middle Jurassic Europe. Named by David Martill and Sibylle Noe in 1996.
Found on http://www.wordinfo.info/words/index/info/view_unit/2727/25

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