Holostyi or Holostei: How To spell?
The word Holostyi is misspelled against Holostei, a noun meaning "An extensive division of ganoids, including the gar pike, bowfin, etc.; the bony ganoids. See Illustration in Appendix."
Word ends with consecutive vowels 'EI' preceded by alphabets 'holost' is misspelled as 'YI'Wrong Spelling:  holost-yi  Correct Spelling:  holost-ei 
Find more incorrect spellings of Holostei to spell right way.