Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 78514 Animal / Creature Body Part, Snake / Dragon Head Upper Jaw with 3 Ridges [Plain] this part is a print of it
• 37407 Animal Body Part, Dinosaur, Raptor / Dilophosaurus Lower Jaw [Plain] Pair of this part