Univalves are a group of mollusks that have single-shelled bodies. This means they have one, spiraled shell that encases their soft, internal organs.

Here's a breakdown:

* Mollusks: A large and diverse phylum of invertebrate animals that includes snails, slugs, clams, mussels, and octopuses.

* Single-shelled: They have only one shell, unlike bivalves (like clams) which have two shells.

* Spiraled shell: The shell is typically coiled in a spiral, which provides structural support and protection for the animal.

Here are some examples of univalves:

* Snails: The most common type of univalve, with a wide range of shapes, sizes, and colors.

* Conchs: Large, heavy shells with beautiful colors and patterns.

* Whelks: Predatory snails with a long, pointed shell.

* Abalone: A type of snail with a beautiful, iridescent shell.

Univalves are found in a wide range of habitats, from freshwater to saltwater, and play important roles in their ecosystems. They are also a popular source of food for humans.