Jurasic or Jurassic: How To spell?
The word Jurasic is misspelled against Jurassic, a noun meaning "The Jurassic period or formation; -- called also the Jura."
Jurassic has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings jura & ic which should not be misspelled with single 'S'
Wrong Spelling:  jura-s-ic  Correct Spelling:  jura-ss-ic 
Check more misspelled words of Jurassic to spell it correct.