The former have short fins on their posterior portion which control the path of the bomb in flight.
The hindfoot is the most proximal and posterior portion of the foot.
The posterior portion of the naris may have held a salt gland.
The posterior thickened portion is a little wider than the anterior one.
The posterior portion of the foot is covered by the shell.
A lateral fold extends from the eye to the posterior portion of the tympanum.
This is different from the posterior portion of the body, which is much thinner.
They form the posterior portion of the vertebral arch.
The posterior portion is considered part of the parietal lobe.
It is located in the posterior portion of the frontal lobe.