Proboscidein or Proboscidean: How To spell?
The word Proboscidein is misspelled against Proboscidean, an adjective meaning "Proboscidian."
Proboscidean has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets proboscid & n is misspelled as 'EI'
Wrong Spelling:  proboscid-ei-n  Correct Spelling:  proboscid-ea-n 
Find more incorrect spellings of Proboscidean to spell right way.