Seurospore or Seirospore: How To spell?

The word Seurospore is misspelled against Seirospore, a noun meaning "One of several spores arranged in a chain as in certain algae of the genus Callithamnion."

Word contains consecutive vowels 'EI' in between alphabets s & rospore is misspelled as 'EU'
Wrong Spelling:  s-eu-rospore 
Correct Spelling:  s-ei-rospore 
Check more misspelled words of Seirospore to spell it correct.