Plesiosur or Plesiosaur: How To spell?

The word Plesiosur is misspelled against Plesiosaur, a noun meaning "One of the Plesiosauria."

Word contains consecutive vowels 'AU' in between alphabets plesios & r is misspelled as 'U' as letter 'A' is phonetically ignor
Wrong Spelling:  plesios-u-r 
Correct Spelling:  plesios-au-r 
Check more misspelled words of Plesiosaur to spell it correct.

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