Ichthyosourian or Ichthyosaurian: How To spell?

The word Ichthyosourian is misspelled against Ichthyosaurian, a noun meaning "One of the Ichthyosauria."

Word contains consecutive vowels 'AU' in between alphabets ichthyos & rian is misspelled as 'OU'
Wrong Spelling:  ichthyos-ou-rian 
Correct Spelling:  ichthyos-au-rian 
Check more misspelled words of Ichthyosaurian to spell it correct.

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