related tags: 5A5047 644F3D 9D907F 9F8164 A89F9B AC9170 AE9C94 D0C3BF D8BFB7 alligator biology bone bossier centenarycollege centenarycollegeoflouisiana city juvenile louisiana mississipiensis mississippi ribs sharp shreveport skeleton skull teeth tooth young 908173