Holostaen or Holostean: How To spell?

The word Holostaen is misspelled against Holostean, an adjective meaning "Pertaining to the Holostei."

Holostean has vowels 'ea' together mispronounced as 'ae'
Word contains consecutive vowels 'EA' in between alphabets holost & n is misspelled as 'AE'
Wrong Spelling:  holost-ae-n 
Correct Spelling:  holost-ea-n 
Find more incorrect spellings of Holostean to spell right way.

You might be interested to know

Immaesurable or Immeasurable?

Incraeting or Increating?

Intraetance or Intreatance?