Umbelularia or Umbellularia: How To spell?

The word Umbelularia is misspelled against Umbellularia, a noun meaning "A genus of deep-sea alcyonaria consisting of a cluster of large flowerlike polyps situated at the summit of a long, slender stem which stands upright in the mud, supported by a bulbous base."

Umbellularia has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings umbe & ularia which should not be misspelled with single 'L'
Wrong Spelling:  umbe-l-ularia 
Correct Spelling:  umbe-ll-ularia 
Check more misspelled words of Umbellularia to spell it correct.