Zodendrium or Zoodendrium: How To spell?
The word Zodendrium is misspelled against Zoodendrium, a noun meaning "The branched, and often treelike, support of the colonies of certain Infusoria."
Zoodendrium has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings z & dendrium which should not be misspelled with single 'O'
Wrong Spelling:  z-o-dendrium  Correct Spelling:  z-oo-dendrium 
Check more misspelled words of Zoodendrium to spell it correct.