Haostellate or Haustellate: How To spell?

The word Haostellate is misspelled against Haustellate, a noun meaning "One of the Haustellata."

Word contains consecutive vowels 'AU' in between alphabets h & stellate is misspelled as 'AO'
Wrong Spelling:  h-ao-stellate 
Correct Spelling:  h-au-stellate 
Find more incorrect spellings of Haustellate to spell right way.

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