Cocosteus or Coccosteus: How To spell?
The word Cocosteus is misspelled against Coccosteus, a noun meaning "An extinct genus of Devonian ganoid fishes, having the broad plates about the head studded with berrylike tubercles."
Coccosteus has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Co & osteus which should not be misspelled with single 'C'
Wrong Spelling:  Co-c-osteus  Correct Spelling:  Co-cc-osteus 
Check more misspelled words of Coccosteus to spell it correct.