Palial or Pallial: How To spell?
The word Palial is misspelled against Pallial, an adjective meaning "pretaining to a mantle, especially to the mantle mollusks; produced by the mantle; as, the pallial line, impression, which marks the attachment the mantle on the inner surface a bivalve shell. See Illust. Bivalve."
Pallial has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pa & ial which should not be misspelled with single 'L'
Wrong Spelling:  pa-l-ial  Correct Spelling:  pa-ll-ial 
Find more wrongly spelled words of Pallial to spell it well.