The following Eggs have a size of Medium:
Ankylo Egg Baryonyx Egg Carnotaurus Egg Dimetrodon Egg Diplodocus Egg Iguanodon Egg Kaprosuchus Egg Kentro Egg Pachyrhino Egg Pelagornis Egg Sarco Egg Pulmonoscorpius Egg Stegosaurus Egg Tek Stegosaurus Egg Terror Bird Egg