Souropsida or Sauropsida: How To spell?

The word Souropsida is misspelled against Sauropsida, a noun meaning "A comprehensive group of vertebrates, comprising the reptiles and birds."

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

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