Pholadein or Pholadean: How To spell?

The word Pholadein is misspelled against Pholadean, a noun meaning "Pholad."

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

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