The word Teleosten is misspelled against Teleostean, a noun meaning "A teleostean fish."
-->
Teleostean has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets teleost & n is misspelled as 'E'
Wrong Spelling:  teleost-e-n 
Correct Spelling:  teleost-ea-n 
Find more incorrect spellings of Teleostean to spell right way.