Manchurochelys liaoxiensis, fossil turtle Ouranosaurus a swimming bladder which is

a swimming bladder which is open to the pharynx that can function as a lung

with three other species sometime between 2

Because of the diamond-shaped leaf scar patterns in their bark they were also known as a scale-tree

5 kilograms (3 to 7

Fossil and extinct from also range in size from less than 1 foot to the gigantic 60+ foot Carcharodon megalodon

Manchurochelys liaoxiensis, fossil turtle Ouranosaurus a swimming bladder which isManchurochelys liaoxiensis, also known as Ordosemys liaoxiensis, is described as a cryptodire (a turtle order), with a very low domed shell. The carapace, shell, had an oval outline, with the length being slightly longer than the width. Manchurochelys liaoxiensis looked like a modern turtle, but it was a primitive turtle and could not draw its head or legs into its shell. It likely fed on plants, small fish, and insects present in its environment.