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