Pachysaurus This nomenclature (thick lizard) is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Plateosaurus. Named by German paleontologist Friedrich von Huene, 1908 or L. J. Fitzinger, in 1843 (?).
Found on http://www.wordinfo.info/words/index/info/view_unit/2727/25
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