Neural spines have been found in the Kem Kem that don't match any previously found spines. These have sadly not been described, therefore we can't draw any conclusions on them.
I used these in my sail anyway out of curiosity.
(Pictures by Troodon from The Fossil Forum)
(2/5) pic.twitter.com/zLlDmPxuxV

— BioluminescentBob (@TheBioBob) November 26, 2020