Bright Red Encrusting Bryzoa Cup. It was collected on the West Coast of Florida. It is about 3 to 4 inches. I will try to list a better picture at a later point as well as more information.
Sm 2 to 3 inches.
Md 3 to 4 inches
Lg 4 to 5 inches
Irregular Size: meaning not a cup, straight etc.