Paleogeian or Paleogaean: How To spell?

The word Paleogeian is misspelled against Paleogaean, an adjective meaning "pertaining to the Eastern hemisphere."

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

-->

You might be interested to know

Propeideutical or Propaedeutical?

Teiniada or Taeniada?

Baleynoidea or Balaenoidea?