Superior and posterior are relative terms. You can't describe a single organ or part as being superior or posterior without mentiong what you're comparing its position to.
The superior boundary of the posterior thigh is represented by the gluteal fold, where the buttocks meet the back of the thigh.
soft pallet
The two parietal bones and the occiptal bone
The superior limit of the posterior thigh is represented by the gluteal fold, which is the line formed by the junction of the buttocks and the thigh. This fold is located at the inferior edge of the gluteus maximus muscle. It marks the transition between the gluteal region and the posterior thigh.
The occiput, or occipital bones.
Temporal
The pancreas is posterior to the stomach and superior to the intestines. It plays a crucial role in digestion by producing enzymes and hormones that help break down food and regulate blood sugar levels.
The heart chamber that the superior and posterior vena cava opens to on a fetal pig is the right atrium. The opening to both vena cava's are valveless.
The superior bones of the skull include the frontal bone, parietal bones, and occipital bone. These bones form the top and back part of the skull, providing protection for the brain.
The posterior bones of the hard palate are the palatine bones. They form the back portion of the hard palate in the roof of the mouth and help to create the bony structure that separates the oral and nasal cavities. The palatine bones also contribute to the formation of the orbit of the eye.
The Occipial bone.
Vomer