| Aspect: | Light to dark brown, generally large to very large, sturdy barrel-shaped structure. A favourite staple for Hawkbill Turtles (q.v.) as shown by some of the pictures herewith. Also see the devouring action in the Hawkbill Turtles entry. |
| Population: | Ubiquitous |
| Notable feature: | Thick, hard leathery skin, outer surface can incorporate either deep linear vertical valleys and sharp-edge mounds or rounded mounds and dimples as seen on the photos herewith. |
| Environment: | Open waters |
| Behaviour: | - |
