Bysiferous or Byssiferous: How To spell?
The word Bysiferous is misspelled against Byssiferous, an adjective meaning "Bearing a byssus or tuft."
Byssiferous has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings by & iferous which should not be misspelled with single 'S'
Wrong Spelling:  by-s-iferous  Correct Spelling:  by-ss-iferous 
Check more misspelled words of Byssiferous to spell it correct.