Whelk

grabcad

A whelk shell is a spiral-shaped, hard-surfaced covering that serves as the protective casing for certain species of marine gastropod mollusks. These shells are renowned for their intricate and beautiful patterns, making them popular collector's items. Whelk shells can come in various colors such as brown, purple, and white, further adding to their aesthetic appeal. They also have a unique shape that sets them apart from other types of shells.