The umbo which is located at the anterior end of the clam
The oldest part of a clams shell is the outside part of the hinge. This is because the clam starts at the hinge and grows outwards.
a 400-year-old clam
The oldest part of a clam is typically its shell, which can provide information about the age and growth of the clam through the growth rings visible on its surface. The soft body of the clam is regenerated and replaced regularly, so the shell is a more reliable indicator of age.
Some protest the "oldest animal" designation, saying it should go to certain corals that grow together to form colonies. By this reckoning, the clam would be only the oldest non-colonialanimals.
The oldest Landform region in Canada is the Canadian shield, the oldest highland region is the Appalachian mountains
The oldest wine region is generally believed to be within the area now known as Iraq,
As of February 2014 the dynastic clam it was believed to be the oldest living animal ever recorded. When it died in 2006 it lived for 507 years.
Yemen
The oldest part of the clam shell is called the umbo. It is the portion closest to the hinge and is found by following the growth rings to their center.
yes
Panama