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.

• 30459pr0001 Animal Body Part, Dinosaur, Spinosaurus Head with Dark Orange and Light Gray Scales Print of this part
• 30459pr0002 Animal Body Part, Dinosaur, Tyrannosaurus Rex Head with Dark Gray and Red Print Print of this part
• 30457 Animal Body Part, Dinosaur, Tyrannosaurus Rex Body Pair of this part