A shell collection is a collection of shells from various species of mollusks, such as clams, oysters, and snails. The crossword solutions for the term 'shell collection' are PASTA (5 letters), AMMO (4 letters), and PUMPS (5 letters). PASTA is an Italian dish made from dough and water, usually served with sauce. AMMO is short for ammunition, which is a material fired, scattered, dropped, or detonated from a weapon. PUMPS are shoes with a low-cut front and a heel that is usually higher than the toe.