Mesosouria or Mesosauria: How To spell?
The word Mesosouria is misspelled against Mesosauria, a noun meaning "Same as Mosasauria."
Word contains consecutive vowels 'AU' in between alphabets mesos & ria is misspelled as 'OU'Wrong Spelling:  mesos-ou-ria  Correct Spelling:  mesos-au-ria 
Check more misspelled words of Mesosauria to spell it correct.