Amphicoelias
Amphicoelias
Source google image: https://vignette.wikia.nocookie.net/dino/images/e/ed/1233574695_52707846.jpg/revision/latest?cb=20120422120030
Amphicoelias
Source google image: https://vignette.wikia.nocookie.net/dino/images/e/ed/1233574695_52707846.jpg/revision/latest?cb=20120422120030