All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams ... and this makes their shells spiral clockwise. (Very rare mutations can produce ...

As shelled members of the taxonomic class Gastropods within the phylum Mollusca, snails are found on both land and in the sea. Typically, they have a spiral-shaped shell into which they retract ...

Snails carry a spiral shell banded in chestnut brown with yellow ... The smallest form is a small at 1 1/2 to 2 inches long ...

Teach kids about snails with five days of engaging lesson plans, vocabulary activities, comprehension questions, and more!

Instead, Syrinx aruanus reaches nearly 3 feet long ... a characteristic spiral structure, often leading to comparisons with a musical instrument. The empty shells of this snail were used in ...