Proboscidaun or Proboscidean: How To spell?
The word Proboscidaun is misspelled against Proboscidean, an adjective meaning "Proboscidian."
Proboscidean has vowels 'ea' together mispronounced as 'au'Word contains consecutive vowels 'EA' in between alphabets proboscid & n is misspelled as 'AU'
Wrong Spelling:  proboscid-au-n  Correct Spelling:  proboscid-ea-n 
Check more misspelled words of Proboscidean to spell it correct.