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.

• 76923 Creature Body Part, Dragon Head Lower Jaw with 6 Studs on Top, Spike, Teeth [Plain] this part is a print of it
• 72362pr0002 Creature Body Part, Dragon Head Upper Jaw with Light Aqua Markings and Dark Blue Eyes Print this part is a pair of it