Pleiosawrus or Pleiosaurus: How To spell?
The word Pleiosawrus is misspelled against Pleiosaurus, a noun meaning "Same as Pliosaurus."
Word contains consecutive vowels 'AU' in between alphabets pleios & rus is misspelled as 'AW'Wrong Spelling:  pleios-aw-rus  Correct Spelling:  pleios-au-rus 
Check more misspelled words of Pleiosaurus to spell it correct.