Neogean or Neogaean: How To spell?

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

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

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