Plesiosuri or Plesiosauri: How To spell?
The word Plesiosuri is misspelled against Plesiosauri, which is plural of "Plesiosaurus"
Word contains consecutive vowels 'AU' in between alphabets plesios & ri is misspelled as 'U' as letter 'A' is phonetically ignoWrong Spelling:  plesios-u-ri  Correct Spelling:  plesios-au-ri 
Check more misspelled words of Plesiosauri to spell it correct.