 Also, the rectum seems to run in a very high position as if it were forced upwards by something.According to Dal Sasso & Maganuco, in life this space would have been filled by the yolk sac of the hatchling; on hatching the juveniles of reptiles typically have not absorbed all the yolk and use the residual nutrients to supplement the food intake during their first weeks.At several places on the fossil muscle tissue is present.