Archimedes Spiral

Here is a picture of bryzoan that one normally finds out on the ground without the mesh that I assume filtered the water for food.

Below is an Archimedes spiral bryzoan that has some of its filter mesh still attached. It was preserved in a rock so I took some close up pictures.

This picture is at the bottom of the spiral and you can see a fragment of the mesh better.

This looks like a wonderful creature geometrical and would have been neat to see when it was alive.

Picture taken horizontal to show the spiral branches with their remaining mesh fragments.

Another angle view of the bottom mesh layer.