Neogeian or Neogaean: How To spell?

The word Neogeian is misspelled against Neogaean, an adjective meaning "pertaining to the New Wld, Western Hemisphere."

--> Neogaean has vowels 'ae' together mispronounced as 'ei'
Word contains consecutive vowels 'AE' in between alphabets neog & an is misspelled as 'EI'
Wrong Spelling:  neog-ei-an 
Correct Spelling:  neog-ae-an 
Find more incorrect spellings of Neogaean to spell right way.

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