Cerithiidae

Cerithiidae is a family of sea snails, marine gastropod mollusks in the superfamily Cerithioidea. It is a diverse family with over 400 species, and includes a variety of shapes and sizes. The family is found worldwide in warm, shallow water, and some species are found in brackish water.

Common Names

Cerithiids are commonly known as "ceriths" or "tower snails," although some species are commonly called "worm snails."

Characteristics

Cerithiids have a distinctive conical or elongated shell with a pointed spire. The shell is often ornamented with spiral ridges or cords. The aperture (opening) of the shell is usually small and oval-shaped. The operculum is typically horny and multispiral.

Cerithiids are generally small to medium-sized snails, ranging in size from a few millimeters to several centimeters. They are herbivorous and feed on algae, detritus, and small invertebrates. Some species are known to burrow in soft sediments, while others live among rocks or coral reefs.

Environments

Cerithiids are found in a variety of marine environments, including:

  • Intertidal zones
  • Subtidal zones
  • Estuaries
  • Mangrove swamps
  • Coral reefs

They are particularly abundant in tropical and subtropical waters.

References

For more information about Cerithiidae, see the following resources: