Ornithopapi or Ornithopappi: How To spell?
The word Ornithopapi is misspelled against Ornithopappi, a noun meaning "An extinct order of birds. It includes only the Archaeopteryx."
Ornithopappi has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings ornithopa & i which should not be misspelled with single 'P'
Wrong Spelling:  ornithopa-p-i  Correct Spelling:  ornithopa-pp-i 
Find more incorrect spellings of Ornithopappi to spell right way.