Ostracan or Ostracean: How To spell?

The word Ostracan is misspelled against Ostracean, a noun meaning "Any one of a family of bivalves, of which the oyster is the type."

Ostracean has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets ostrac & n is misspelled as 'A'
Wrong Spelling:  ostrac-a-n 
Correct Spelling:  ostrac-ea-n 
Browse incorrect spellings of Ostracean to spell it good.

You might be interested to know

Overracher or Overreacher?

Pafowl or Peafowl?

Permate or Permeate?