Rhynchonela or Rhynchonella: How To spell?
The word Rhynchonela is misspelled against Rhynchonella, a noun meaning "A genus of brachiopods of which some species are still living, while many are found fossil."
Rhynchonella has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings rhynchone & a which should not be misspelled with single 'L'
Wrong Spelling:  rhynchone-l-a  Correct Spelling:  rhynchone-ll-a 
Find more incorrect spellings of Rhynchonella to spell right way.