Pseudonaviculae or Pseudonavicullae: How To spell?
The word Pseudonaviculae is misspelled against Pseudonavicullae, which is plural of "Pseudonavicella"
Pseudonavicullae has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pseudonavicu & ae which should not be misspelled with single 'L'
Wrong Spelling:  pseudonavicu-l-ae  Correct Spelling:  pseudonavicu-ll-ae 
Check more misspelled words of Pseudonavicullae to spell it correct.