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.

• 98163 Animal Body Part, Dinosaur, Tyrannosaurus Rex Leg, Right, with Pin [Plain] this part is a print of it
• 38943c02pr0001 Animal Body Part, Dinosaur, Indominus Rex Body with Gray Spots Print Pair of this part