The alligator snapping turtle is a huge aquatic species which has a noticeably massive head (as compared to other species of turtles). The carapace (higher shell) has 3 notable ridges — one along the center line and one on possibly aspect. There's an extra row of scutes (attractive scales) on https://zheetosstrain27924.webdesign96.com/27323484/the-2-minute-rule-for-alligator-snapping-turtle