Ornithosuaria or Ornithosauria: How To spell?
The word Ornithosuaria is misspelled against Ornithosauria, a noun meaning "An order of extinct flying reptiles; -- called also Pterosauria."
Word contains consecutive vowels 'AU' in between alphabets ornithos & ria is misspelled as 'UA'Wrong Spelling:  ornithos-ua-ria  Correct Spelling:  ornithos-au-ria 
Check more misspelled words of Ornithosauria to spell it correct.