Plesiosavria or Plesiosauria: How To spell?

The word Plesiosavria is misspelled against Plesiosauria, a noun meaning "An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms; -- called also Sauropterygia."

Word contains consecutive vowels 'AU' in between alphabets plesios & ria is misspelled as 'AV'
Wrong Spelling:  plesios-av-ria 
Correct Spelling:  plesios-au-ria 
Find more incorrect spellings of Plesiosauria to spell right way.

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