Ichthyosaoria or Ichthyosauria: How To spell?
The word Ichthyosaoria is misspelled against Ichthyosauria, a noun meaning "An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period."
Word contains consecutive vowels 'AU' in between alphabets ichthyos & ria is misspelled as 'AO'Wrong Spelling:  ichthyos-ao-ria  Correct Spelling:  ichthyos-au-ria 
Find more incorrect spellings of Ichthyosauria to spell right way.