Pliosawrus or Pliosaurus: How To spell?
The word Pliosawrus is misspelled against Pliosaurus, a noun meaning "An extinct genus of marine reptiles allied to Plesiosaurus, but having a much shorter neck."
Word contains consecutive vowels 'AU' in between alphabets plios & rus is misspelled as 'AW'Wrong Spelling:  plios-aw-rus  Correct Spelling:  plios-au-rus 
Check more misspelled words of Pliosaurus to spell it correct.