Anulata or Annulata: How To spell?
The word Anulata is misspelled against Annulata, a noun meaning "A class of articulate animals, nearly equivalent to Annelida, including the marine annelids, earthworms, Gephyrea, Gymnotoma, leeches, etc. See Annelida."
Annulata has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings a & ulata which should not be misspelled with single 'N'
Wrong Spelling:  a-n-ulata  Correct Spelling:  a-nn-ulata 
Check more misspelled words of Annulata to spell it correct.