Ichthyosouria or Ichthyosauria: How To spell?

The word Ichthyosouria 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 'OU'
Wrong Spelling:  ichthyos-ou-ria 
Correct Spelling:  ichthyos-au-ria 
Check more misspelled words of Ichthyosauria to spell it correct.

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