Spongila or Spongilla: How To spell?

The word Spongila is misspelled against Spongilla, a noun meaning "A genus of siliceous spongea found in fresh water."

Spongilla has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings spongi & a which should not be misspelled with single 'L'
Wrong Spelling:  spongi-l-a 
Correct Spelling:  spongi-ll-a 
Find more incorrect spellings of Spongilla to spell right way.